Home / 86,373.18-119,127.24-56,168.28

Finding the Fourth Proportional to 86,373.18, 119,127.24 and 56,168.28

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Solution

The fourth proportional to 86,373.18, 119,127.24 and 56,168.28 is: 77,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373.18 : 119,127.24 = 56,168.28 : x
  2. Step 2: Convert to fraction form
    86,373.18/119,127.24 = 56,168.28/x
  3. Step 3: Cross multiply
    86,373.18x = 119,127.24 × 56,168.28
  4. Step 4: Simplify right side
    86,373.18x = 6,691,172,171.95
  5. Step 5: Solve for x
    x = 6,691,172,171.95/86,373.18
  6. Step 6: Final answer
    x = 77,468.17

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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.