Home / 127,311.17-175,623.50-86,477.38

Finding the Fourth Proportional to 127,311.17, 175,623.50 and 86,477.38

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Solution

The fourth proportional to 127,311.17, 175,623.50 and 86,477.38 is: 119,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,311.17 : 175,623.50 = 86,477.38 : x
  2. Step 2: Convert to fraction form
    127,311.17/175,623.50 = 86,477.38/x
  3. Step 3: Cross multiply
    127,311.17x = 175,623.50 × 86,477.38
  4. Step 4: Simplify right side
    127,311.17x = 15,187,459,923.56
  5. Step 5: Solve for x
    x = 15,187,459,923.56/127,311.17
  6. Step 6: Final answer
    x = 119,294.01

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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.