Home / 125,780.34-173,561.07-85,033.08

Finding the Fourth Proportional to 125,780.34, 173,561.07 and 85,033.08

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Solution

The fourth proportional to 125,780.34, 173,561.07 and 85,033.08 is: 117,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,780.34 : 173,561.07 = 85,033.08 : x
  2. Step 2: Convert to fraction form
    125,780.34/173,561.07 = 85,033.08/x
  3. Step 3: Cross multiply
    125,780.34x = 173,561.07 × 85,033.08
  4. Step 4: Simplify right side
    125,780.34x = 14,758,432,350.20
  5. Step 5: Solve for x
    x = 14,758,432,350.20/125,780.34
  6. Step 6: Final answer
    x = 117,334.97

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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.