Home / 112,237.52-154,887.24-61,939.60

Finding the Fourth Proportional to 112,237.52, 154,887.24 and 61,939.60

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Solution

The fourth proportional to 112,237.52, 154,887.24 and 61,939.60 is: 85,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,237.52 : 154,887.24 = 61,939.60 : x
  2. Step 2: Convert to fraction form
    112,237.52/154,887.24 = 61,939.60/x
  3. Step 3: Cross multiply
    112,237.52x = 154,887.24 × 61,939.60
  4. Step 4: Simplify right side
    112,237.52x = 9,593,653,690.70
  5. Step 5: Solve for x
    x = 9,593,653,690.70/112,237.52
  6. Step 6: Final answer
    x = 85,476.35

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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.