Home / 134,425.32-185,533.02-77,098.56

Finding the Fourth Proportional to 134,425.32, 185,533.02 and 77,098.56

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Solution

The fourth proportional to 134,425.32, 185,533.02 and 77,098.56 is: 106,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,425.32 : 185,533.02 = 77,098.56 : x
  2. Step 2: Convert to fraction form
    134,425.32/185,533.02 = 77,098.56/x
  3. Step 3: Cross multiply
    134,425.32x = 185,533.02 × 77,098.56
  4. Step 4: Simplify right side
    134,425.32x = 14,304,328,674.45
  5. Step 5: Solve for x
    x = 14,304,328,674.45/134,425.32
  6. Step 6: Final answer
    x = 106,410.97

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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.