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Finding the Fourth Proportional to 162,060.89, 223,656.40 and 89,477.78

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Solution

The fourth proportional to 162,060.89, 223,656.40 and 89,477.78 is: 123,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,060.89 : 223,656.40 = 89,477.78 : x
  2. Step 2: Convert to fraction form
    162,060.89/223,656.40 = 89,477.78/x
  3. Step 3: Cross multiply
    162,060.89x = 223,656.40 × 89,477.78
  4. Step 4: Simplify right side
    162,060.89x = 20,012,278,154.79
  5. Step 5: Solve for x
    x = 20,012,278,154.79/162,060.89
  6. Step 6: Final answer
    x = 123,486.17

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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.