Home / 162,001.41-223,562.09-90,381.44

Finding the Fourth Proportional to 162,001.41, 223,562.09 and 90,381.44

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Solution

The fourth proportional to 162,001.41, 223,562.09 and 90,381.44 is: 124,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,001.41 : 223,562.09 = 90,381.44 : x
  2. Step 2: Convert to fraction form
    162,001.41/223,562.09 = 90,381.44/x
  3. Step 3: Cross multiply
    162,001.41x = 223,562.09 × 90,381.44
  4. Step 4: Simplify right side
    162,001.41x = 20,205,863,730.61
  5. Step 5: Solve for x
    x = 20,205,863,730.61/162,001.41
  6. Step 6: Final answer
    x = 124,726.47

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1.5x scale

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.