Home / 125,802.18-173,607.30-69,217.20

Finding the Fourth Proportional to 125,802.18, 173,607.30 and 69,217.20

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Solution

The fourth proportional to 125,802.18, 173,607.30 and 69,217.20 is: 95,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,802.18 : 173,607.30 = 69,217.20 : x
  2. Step 2: Convert to fraction form
    125,802.18/173,607.30 = 69,217.20/x
  3. Step 3: Cross multiply
    125,802.18x = 173,607.30 × 69,217.20
  4. Step 4: Simplify right side
    125,802.18x = 12,016,611,205.56
  5. Step 5: Solve for x
    x = 12,016,611,205.56/125,802.18
  6. Step 6: Final answer
    x = 95,519.90

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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.