Home / 101,471.48-140,030.82-56,151.38

Finding the Fourth Proportional to 101,471.48, 140,030.82 and 56,151.38

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Solution

The fourth proportional to 101,471.48, 140,030.82 and 56,151.38 is: 77,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,471.48 : 140,030.82 = 56,151.38 : x
  2. Step 2: Convert to fraction form
    101,471.48/140,030.82 = 56,151.38/x
  3. Step 3: Cross multiply
    101,471.48x = 140,030.82 × 56,151.38
  4. Step 4: Simplify right side
    101,471.48x = 7,862,923,785.53
  5. Step 5: Solve for x
    x = 7,862,923,785.53/101,471.48
  6. Step 6: Final answer
    x = 77,489.00

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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.