Home / 112,381.44-155,117.28-69,914.64

Finding the Fourth Proportional to 112,381.44, 155,117.28 and 69,914.64

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Solution

The fourth proportional to 112,381.44, 155,117.28 and 69,914.64 is: 96,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381.44 : 155,117.28 = 69,914.64 : x
  2. Step 2: Convert to fraction form
    112,381.44/155,117.28 = 69,914.64/x
  3. Step 3: Cross multiply
    112,381.44x = 155,117.28 × 69,914.64
  4. Step 4: Simplify right side
    112,381.44x = 10,844,968,788.98
  5. Step 5: Solve for x
    x = 10,844,968,788.98/112,381.44
  6. Step 6: Final answer
    x = 96,501.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.