Home / 162,120.74-223,717.34-90,505.30

Finding the Fourth Proportional to 162,120.74, 223,717.34 and 90,505.30

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Solution

The fourth proportional to 162,120.74, 223,717.34 and 90,505.30 is: 124,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,120.74 : 223,717.34 = 90,505.30 : x
  2. Step 2: Convert to fraction form
    162,120.74/223,717.34 = 90,505.30/x
  3. Step 3: Cross multiply
    162,120.74x = 223,717.34 × 90,505.30
  4. Step 4: Simplify right side
    162,120.74x = 20,247,605,058.34
  5. Step 5: Solve for x
    x = 20,247,605,058.34/162,120.74
  6. Step 6: Final answer
    x = 124,892.13

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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.