Home / 124,737.60-172,137.78-68,148.96

Finding the Fourth Proportional to 124,737.60, 172,137.78 and 68,148.96

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Solution

The fourth proportional to 124,737.60, 172,137.78 and 68,148.96 is: 94,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,737.60 : 172,137.78 = 68,148.96 : x
  2. Step 2: Convert to fraction form
    124,737.60/172,137.78 = 68,148.96/x
  3. Step 3: Cross multiply
    124,737.60x = 172,137.78 × 68,148.96
  4. Step 4: Simplify right side
    124,737.60x = 11,731,010,683.71
  5. Step 5: Solve for x
    x = 11,731,010,683.71/124,737.60
  6. Step 6: Final answer
    x = 94,045.51

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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.