Home / 112,013.57-154,565.37-63,615.18

Finding the Fourth Proportional to 112,013.57, 154,565.37 and 63,615.18

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Solution

The fourth proportional to 112,013.57, 154,565.37 and 63,615.18 is: 87,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013.57 : 154,565.37 = 63,615.18 : x
  2. Step 2: Convert to fraction form
    112,013.57/154,565.37 = 63,615.18/x
  3. Step 3: Cross multiply
    112,013.57x = 154,565.37 × 63,615.18
  4. Step 4: Simplify right side
    112,013.57x = 9,832,703,834.32
  5. Step 5: Solve for x
    x = 9,832,703,834.32/112,013.57
  6. Step 6: Final answer
    x = 87,781.37

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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.