Home / 107,153.37-147,534.27-81,577.62

Finding the Fourth Proportional to 107,153.37, 147,534.27 and 81,577.62

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Solution

The fourth proportional to 107,153.37, 147,534.27 and 81,577.62 is: 112,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,153.37 : 147,534.27 = 81,577.62 : x
  2. Step 2: Convert to fraction form
    107,153.37/147,534.27 = 81,577.62/x
  3. Step 3: Cross multiply
    107,153.37x = 147,534.27 × 81,577.62
  4. Step 4: Simplify right side
    107,153.37x = 12,035,494,615.04
  5. Step 5: Solve for x
    x = 12,035,494,615.04/107,153.37
  6. Step 6: Final answer
    x = 112,320.26

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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.