Home / 162,000.96-223,560.60-90,381.06

Finding the Fourth Proportional to 162,000.96, 223,560.60 and 90,381.06

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Solution

The fourth proportional to 162,000.96, 223,560.60 and 90,381.06 is: 124,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,000.96 : 223,560.60 = 90,381.06 : x
  2. Step 2: Convert to fraction form
    162,000.96/223,560.60 = 90,381.06/x
  3. Step 3: Cross multiply
    162,000.96x = 223,560.60 × 90,381.06
  4. Step 4: Simplify right side
    162,000.96x = 20,205,644,002.24
  5. Step 5: Solve for x
    x = 20,205,644,002.24/162,000.96
  6. Step 6: Final answer
    x = 124,725.46

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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.