Home / 60,151.68-90,196.92-20,156.76

Finding the Fourth Proportional to 60,151.68, 90,196.92 and 20,156.76

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Solution

The fourth proportional to 60,151.68, 90,196.92 and 20,156.76 is: 30,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,151.68 : 90,196.92 = 20,156.76 : x
  2. Step 2: Convert to fraction form
    60,151.68/90,196.92 = 20,156.76/x
  3. Step 3: Cross multiply
    60,151.68x = 90,196.92 × 20,156.76
  4. Step 4: Simplify right side
    60,151.68x = 1,818,077,669.18
  5. Step 5: Solve for x
    x = 1,818,077,669.18/60,151.68
  6. Step 6: Final answer
    x = 30,224.89

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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.