Home / 108,803.28-150,151.20-61,060.40

Finding the Fourth Proportional to 108,803.28, 150,151.20 and 61,060.40

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Solution

The fourth proportional to 108,803.28, 150,151.20 and 61,060.40 is: 84,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803.28 : 150,151.20 = 61,060.40 : x
  2. Step 2: Convert to fraction form
    108,803.28/150,151.20 = 61,060.40/x
  3. Step 3: Cross multiply
    108,803.28x = 150,151.20 × 61,060.40
  4. Step 4: Simplify right side
    108,803.28x = 9,168,292,332.48
  5. Step 5: Solve for x
    x = 9,168,292,332.48/108,803.28
  6. Step 6: Final answer
    x = 84,264.85

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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.