Home / 112,854.45-155,740.91-67,534.34

Finding the Fourth Proportional to 112,854.45, 155,740.91 and 67,534.34

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Solution

The fourth proportional to 112,854.45, 155,740.91 and 67,534.34 is: 93,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,854.45 : 155,740.91 = 67,534.34 : x
  2. Step 2: Convert to fraction form
    112,854.45/155,740.91 = 67,534.34/x
  3. Step 3: Cross multiply
    112,854.45x = 155,740.91 × 67,534.34
  4. Step 4: Simplify right side
    112,854.45x = 10,517,859,567.85
  5. Step 5: Solve for x
    x = 10,517,859,567.85/112,854.45
  6. Step 6: Final answer
    x = 93,198.45

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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.