Home / 101,476.02-140,043.92-56,155.90

Finding the Fourth Proportional to 101,476.02, 140,043.92 and 56,155.90

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Solution

The fourth proportional to 101,476.02, 140,043.92 and 56,155.90 is: 77,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.02 : 140,043.92 = 56,155.90 : x
  2. Step 2: Convert to fraction form
    101,476.02/140,043.92 = 56,155.90/x
  3. Step 3: Cross multiply
    101,476.02x = 140,043.92 × 56,155.90
  4. Step 4: Simplify right side
    101,476.02x = 7,864,292,367.13
  5. Step 5: Solve for x
    x = 7,864,292,367.13/101,476.02
  6. Step 6: Final answer
    x = 77,499.02

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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.