Home / 162,038.22-223,612.76-89,441.13

Finding the Fourth Proportional to 162,038.22, 223,612.76 and 89,441.13

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Solution

The fourth proportional to 162,038.22, 223,612.76 and 89,441.13 is: 123,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,038.22 : 223,612.76 = 89,441.13 : x
  2. Step 2: Convert to fraction form
    162,038.22/223,612.76 = 89,441.13/x
  3. Step 3: Cross multiply
    162,038.22x = 223,612.76 × 89,441.13
  4. Step 4: Simplify right side
    162,038.22x = 20,000,177,936.82
  5. Step 5: Solve for x
    x = 20,000,177,936.82/162,038.22
  6. Step 6: Final answer
    x = 123,428.77

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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.