Home / 125,132.34-172,683.29-68,543.72

Finding the Fourth Proportional to 125,132.34, 172,683.29 and 68,543.72

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Solution

The fourth proportional to 125,132.34, 172,683.29 and 68,543.72 is: 94,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,132.34 : 172,683.29 = 68,543.72 : x
  2. Step 2: Convert to fraction form
    125,132.34/172,683.29 = 68,543.72/x
  3. Step 3: Cross multiply
    125,132.34x = 172,683.29 × 68,543.72
  4. Step 4: Simplify right side
    125,132.34x = 11,836,355,033.94
  5. Step 5: Solve for x
    x = 11,836,355,033.94/125,132.34
  6. Step 6: Final answer
    x = 94,590.69

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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.