Home / 134,499.53-185,605.66-77,148.47

Finding the Fourth Proportional to 134,499.53, 185,605.66 and 77,148.47

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Solution

The fourth proportional to 134,499.53, 185,605.66 and 77,148.47 is: 106,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,499.53 : 185,605.66 = 77,148.47 : x
  2. Step 2: Convert to fraction form
    134,499.53/185,605.66 = 77,148.47/x
  3. Step 3: Cross multiply
    134,499.53x = 185,605.66 × 77,148.47
  4. Step 4: Simplify right side
    134,499.53x = 14,319,192,692.34
  5. Step 5: Solve for x
    x = 14,319,192,692.34/134,499.53
  6. Step 6: Final answer
    x = 106,462.77

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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.