Home / 112,909.52-155,686.69-92,426.45

Finding the Fourth Proportional to 112,909.52, 155,686.69 and 92,426.45

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Solution

The fourth proportional to 112,909.52, 155,686.69 and 92,426.45 is: 127,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,909.52 : 155,686.69 = 92,426.45 : x
  2. Step 2: Convert to fraction form
    112,909.52/155,686.69 = 92,426.45/x
  3. Step 3: Cross multiply
    112,909.52x = 155,686.69 × 92,426.45
  4. Step 4: Simplify right side
    112,909.52x = 14,389,567,406.05
  5. Step 5: Solve for x
    x = 14,389,567,406.05/112,909.52
  6. Step 6: Final answer
    x = 127,443.35

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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.