Home / 125,432.13-173,065.77-70,985.55

Finding the Fourth Proportional to 125,432.13, 173,065.77 and 70,985.55

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Solution

The fourth proportional to 125,432.13, 173,065.77 and 70,985.55 is: 97,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,432.13 : 173,065.77 = 70,985.55 : x
  2. Step 2: Convert to fraction form
    125,432.13/173,065.77 = 70,985.55/x
  3. Step 3: Cross multiply
    125,432.13x = 173,065.77 × 70,985.55
  4. Step 4: Simplify right side
    125,432.13x = 12,285,168,869.62
  5. Step 5: Solve for x
    x = 12,285,168,869.62/125,432.13
  6. Step 6: Final answer
    x = 97,942.76

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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.