Home / 121,446.79-182,170.20-42,561.01

Finding the Fourth Proportional to 121,446.79, 182,170.20 and 42,561.01

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Solution

The fourth proportional to 121,446.79, 182,170.20 and 42,561.01 is: 63,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,446.79 : 182,170.20 = 42,561.01 : x
  2. Step 2: Convert to fraction form
    121,446.79/182,170.20 = 42,561.01/x
  3. Step 3: Cross multiply
    121,446.79x = 182,170.20 × 42,561.01
  4. Step 4: Simplify right side
    121,446.79x = 7,753,347,851.81
  5. Step 5: Solve for x
    x = 7,753,347,851.81/121,446.79
  6. Step 6: Final answer
    x = 63,841.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.