Home / 134,463.81-185,539.08-77,864.25

Finding the Fourth Proportional to 134,463.81, 185,539.08 and 77,864.25

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Solution

The fourth proportional to 134,463.81, 185,539.08 and 77,864.25 is: 107,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,463.81 : 185,539.08 = 77,864.25 : x
  2. Step 2: Convert to fraction form
    134,463.81/185,539.08 = 77,864.25/x
  3. Step 3: Cross multiply
    134,463.81x = 185,539.08 × 77,864.25
  4. Step 4: Simplify right side
    134,463.81x = 14,446,861,309.89
  5. Step 5: Solve for x
    x = 14,446,861,309.89/134,463.81
  6. Step 6: Final answer
    x = 107,440.52

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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.