Home / 134,442.36-185,526.59-77,079.78

Finding the Fourth Proportional to 134,442.36, 185,526.59 and 77,079.78

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Solution

The fourth proportional to 134,442.36, 185,526.59 and 77,079.78 is: 106,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,442.36 : 185,526.59 = 77,079.78 : x
  2. Step 2: Convert to fraction form
    134,442.36/185,526.59 = 77,079.78/x
  3. Step 3: Cross multiply
    134,442.36x = 185,526.59 × 77,079.78
  4. Step 4: Simplify right side
    134,442.36x = 14,300,348,355.95
  5. Step 5: Solve for x
    x = 14,300,348,355.95/134,442.36
  6. Step 6: Final answer
    x = 106,367.88

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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.