Home / 125,325.72-172,953.90-68,737.32

Finding the Fourth Proportional to 125,325.72, 172,953.90 and 68,737.32

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Solution

The fourth proportional to 125,325.72, 172,953.90 and 68,737.32 is: 94,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,325.72 : 172,953.90 = 68,737.32 : x
  2. Step 2: Convert to fraction form
    125,325.72/172,953.90 = 68,737.32/x
  3. Step 3: Cross multiply
    125,325.72x = 172,953.90 × 68,737.32
  4. Step 4: Simplify right side
    125,325.72x = 11,888,387,569.55
  5. Step 5: Solve for x
    x = 11,888,387,569.55/125,325.72
  6. Step 6: Final answer
    x = 94,859.92

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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.