Home / 136,288.23-204,374.03-47,515.47

Finding the Fourth Proportional to 136,288.23, 204,374.03 and 47,515.47

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Solution

The fourth proportional to 136,288.23, 204,374.03 and 47,515.47 is: 71,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,288.23 : 204,374.03 = 47,515.47 : x
  2. Step 2: Convert to fraction form
    136,288.23/204,374.03 = 47,515.47/x
  3. Step 3: Cross multiply
    136,288.23x = 204,374.03 × 47,515.47
  4. Step 4: Simplify right side
    136,288.23x = 9,710,927,853.67
  5. Step 5: Solve for x
    x = 9,710,927,853.67/136,288.23
  6. Step 6: Final answer
    x = 71,252.87

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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.