Home / 112,471.24-154,896.24-93,434.80

Finding the Fourth Proportional to 112,471.24, 154,896.24 and 93,434.80

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Solution

The fourth proportional to 112,471.24, 154,896.24 and 93,434.80 is: 128,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,471.24 : 154,896.24 = 93,434.80 : x
  2. Step 2: Convert to fraction form
    112,471.24/154,896.24 = 93,434.80/x
  3. Step 3: Cross multiply
    112,471.24x = 154,896.24 × 93,434.80
  4. Step 4: Simplify right side
    112,471.24x = 14,472,699,205.15
  5. Step 5: Solve for x
    x = 14,472,699,205.15/112,471.24
  6. Step 6: Final answer
    x = 128,679.11

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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.