Home / 112,344.70-155,036.91-61,358.92

Finding the Fourth Proportional to 112,344.70, 155,036.91 and 61,358.92

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Solution

The fourth proportional to 112,344.70, 155,036.91 and 61,358.92 is: 84,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344.70 : 155,036.91 = 61,358.92 : x
  2. Step 2: Convert to fraction form
    112,344.70/155,036.91 = 61,358.92/x
  3. Step 3: Cross multiply
    112,344.70x = 155,036.91 × 61,358.92
  4. Step 4: Simplify right side
    112,344.70x = 9,512,897,357.74
  5. Step 5: Solve for x
    x = 9,512,897,357.74/112,344.70
  6. Step 6: Final answer
    x = 84,675.98

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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.