Home / 134,432.16-185,525.26-77,843.53

Finding the Fourth Proportional to 134,432.16, 185,525.26 and 77,843.53

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Solution

The fourth proportional to 134,432.16, 185,525.26 and 77,843.53 is: 107,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,432.16 : 185,525.26 = 77,843.53 : x
  2. Step 2: Convert to fraction form
    134,432.16/185,525.26 = 77,843.53/x
  3. Step 3: Cross multiply
    134,432.16x = 185,525.26 × 77,843.53
  4. Step 4: Simplify right side
    134,432.16x = 14,441,941,398.80
  5. Step 5: Solve for x
    x = 14,441,941,398.80/134,432.16
  6. Step 6: Final answer
    x = 107,429.22

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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.