Home / 161,638.32-223,044.87-90,024.99

Finding the Fourth Proportional to 161,638.32, 223,044.87 and 90,024.99

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Solution

The fourth proportional to 161,638.32, 223,044.87 and 90,024.99 is: 124,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,638.32 : 223,044.87 = 90,024.99 : x
  2. Step 2: Convert to fraction form
    161,638.32/223,044.87 = 90,024.99/x
  3. Step 3: Cross multiply
    161,638.32x = 223,044.87 × 90,024.99
  4. Step 4: Simplify right side
    161,638.32x = 20,079,612,191.30
  5. Step 5: Solve for x
    x = 20,079,612,191.30/161,638.32
  6. Step 6: Final answer
    x = 124,225.57

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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.