Home / 134,902.28-186,190.26-77,575.16

Finding the Fourth Proportional to 134,902.28, 186,190.26 and 77,575.16

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Solution

The fourth proportional to 134,902.28, 186,190.26 and 77,575.16 is: 107,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,902.28 : 186,190.26 = 77,575.16 : x
  2. Step 2: Convert to fraction form
    134,902.28/186,190.26 = 77,575.16/x
  3. Step 3: Cross multiply
    134,902.28x = 186,190.26 × 77,575.16
  4. Step 4: Simplify right side
    134,902.28x = 14,443,739,209.94
  5. Step 5: Solve for x
    x = 14,443,739,209.94/134,902.28
  6. Step 6: Final answer
    x = 107,068.16

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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.