Home / 134,178.61-185,170.72-73,753.93

Finding the Fourth Proportional to 134,178.61, 185,170.72 and 73,753.93

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Solution

The fourth proportional to 134,178.61, 185,170.72 and 73,753.93 is: 101,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,178.61 : 185,170.72 = 73,753.93 : x
  2. Step 2: Convert to fraction form
    134,178.61/185,170.72 = 73,753.93/x
  3. Step 3: Cross multiply
    134,178.61x = 185,170.72 × 73,753.93
  4. Step 4: Simplify right side
    134,178.61x = 13,657,068,320.93
  5. Step 5: Solve for x
    x = 13,657,068,320.93/134,178.61
  6. Step 6: Final answer
    x = 101,782.75

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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.