Home / 123,430.02-185,145.10-29,935.76

Finding the Fourth Proportional to 123,430.02, 185,145.10 and 29,935.76

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Solution

The fourth proportional to 123,430.02, 185,145.10 and 29,935.76 is: 44,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430.02 : 185,145.10 = 29,935.76 : x
  2. Step 2: Convert to fraction form
    123,430.02/185,145.10 = 29,935.76/x
  3. Step 3: Cross multiply
    123,430.02x = 185,145.10 × 29,935.76
  4. Step 4: Simplify right side
    123,430.02x = 5,542,459,278.78
  5. Step 5: Solve for x
    x = 5,542,459,278.78/123,430.02
  6. Step 6: Final answer
    x = 44,903.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.