Home / 152,690.76-229,036.14-47,488.77

Finding the Fourth Proportional to 152,690.76, 229,036.14 and 47,488.77

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Solution

The fourth proportional to 152,690.76, 229,036.14 and 47,488.77 is: 71,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,690.76 : 229,036.14 = 47,488.77 : x
  2. Step 2: Convert to fraction form
    152,690.76/229,036.14 = 47,488.77/x
  3. Step 3: Cross multiply
    152,690.76x = 229,036.14 × 47,488.77
  4. Step 4: Simplify right side
    152,690.76x = 10,876,644,574.15
  5. Step 5: Solve for x
    x = 10,876,644,574.15/152,690.76
  6. Step 6: Final answer
    x = 71,233.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.