Home / 124,545.72-171,876.89-70,838.47

Finding the Fourth Proportional to 124,545.72, 171,876.89 and 70,838.47

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Solution

The fourth proportional to 124,545.72, 171,876.89 and 70,838.47 is: 97,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.72 : 171,876.89 = 70,838.47 : x
  2. Step 2: Convert to fraction form
    124,545.72/171,876.89 = 70,838.47/x
  3. Step 3: Cross multiply
    124,545.72x = 171,876.89 × 70,838.47
  4. Step 4: Simplify right side
    124,545.72x = 12,175,495,915.96
  5. Step 5: Solve for x
    x = 12,175,495,915.96/124,545.72
  6. Step 6: Final answer
    x = 97,759.25

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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.