Home / 162,001.10-223,557.18-90,379.28

Finding the Fourth Proportional to 162,001.10, 223,557.18 and 90,379.28

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Solution

The fourth proportional to 162,001.10, 223,557.18 and 90,379.28 is: 124,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,001.10 : 223,557.18 = 90,379.28 : x
  2. Step 2: Convert to fraction form
    162,001.10/223,557.18 = 90,379.28/x
  3. Step 3: Cross multiply
    162,001.10x = 223,557.18 × 90,379.28
  4. Step 4: Simplify right side
    162,001.10x = 20,204,936,967.23
  5. Step 5: Solve for x
    x = 20,204,936,967.23/162,001.10
  6. Step 6: Final answer
    x = 124,720.99

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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.