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Finding the Fourth Proportional to 112,096.90, 157,052.30 and 112,096.90

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Solution

The fourth proportional to 112,096.90, 157,052.30 and 112,096.90 is: 157,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,096.90 : 157,052.30 = 112,096.90 : x
  2. Step 2: Convert to fraction form
    112,096.90/157,052.30 = 112,096.90/x
  3. Step 3: Cross multiply
    112,096.90x = 157,052.30 × 112,096.90
  4. Step 4: Simplify right side
    112,096.90x = 17,605,075,967.87
  5. Step 5: Solve for x
    x = 17,605,075,967.87/112,096.90
  6. Step 6: Final answer
    x = 157,052.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.