Home / 134,508.58-185,618.04-77,157.47

Finding the Fourth Proportional to 134,508.58, 185,618.04 and 77,157.47

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Solution

The fourth proportional to 134,508.58, 185,618.04 and 77,157.47 is: 106,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,508.58 : 185,618.04 = 77,157.47 : x
  2. Step 2: Convert to fraction form
    134,508.58/185,618.04 = 77,157.47/x
  3. Step 3: Cross multiply
    134,508.58x = 185,618.04 × 77,157.47
  4. Step 4: Simplify right side
    134,508.58x = 14,321,818,352.76
  5. Step 5: Solve for x
    x = 14,321,818,352.76/134,508.58
  6. Step 6: Final answer
    x = 106,475.13

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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.