Home / 112,930.52-155,844.92-61,943.63

Finding the Fourth Proportional to 112,930.52, 155,844.92 and 61,943.63

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Solution

The fourth proportional to 112,930.52, 155,844.92 and 61,943.63 is: 85,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,930.52 : 155,844.92 = 61,943.63 : x
  2. Step 2: Convert to fraction form
    112,930.52/155,844.92 = 61,943.63/x
  3. Step 3: Cross multiply
    112,930.52x = 155,844.92 × 61,943.63
  4. Step 4: Simplify right side
    112,930.52x = 9,653,598,972.92
  5. Step 5: Solve for x
    x = 9,653,598,972.92/112,930.52
  6. Step 6: Final answer
    x = 85,482.64

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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.