Home / 113,740.48-156,911.08-65,966.16

Finding the Fourth Proportional to 113,740.48, 156,911.08 and 65,966.16

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Solution

The fourth proportional to 113,740.48, 156,911.08 and 65,966.16 is: 91,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,740.48 : 156,911.08 = 65,966.16 : x
  2. Step 2: Convert to fraction form
    113,740.48/156,911.08 = 65,966.16/x
  3. Step 3: Cross multiply
    113,740.48x = 156,911.08 × 65,966.16
  4. Step 4: Simplify right side
    113,740.48x = 10,350,821,409.05
  5. Step 5: Solve for x
    x = 10,350,821,409.05/113,740.48
  6. Step 6: Final answer
    x = 91,003.85

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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.