Home / 88,179.68-121,722.85-61,337.76

Finding the Fourth Proportional to 88,179.68, 121,722.85 and 61,337.76

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Solution

The fourth proportional to 88,179.68, 121,722.85 and 61,337.76 is: 84,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,179.68 : 121,722.85 = 61,337.76 : x
  2. Step 2: Convert to fraction form
    88,179.68/121,722.85 = 61,337.76/x
  3. Step 3: Cross multiply
    88,179.68x = 121,722.85 × 61,337.76
  4. Step 4: Simplify right side
    88,179.68x = 7,466,206,959.82
  5. Step 5: Solve for x
    x = 7,466,206,959.82/88,179.68
  6. Step 6: Final answer
    x = 84,670.38

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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.