Home / 125,136.86-172,689.53-68,548.23

Finding the Fourth Proportional to 125,136.86, 172,689.53 and 68,548.23

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Solution

The fourth proportional to 125,136.86, 172,689.53 and 68,548.23 is: 94,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,136.86 : 172,689.53 = 68,548.23 : x
  2. Step 2: Convert to fraction form
    125,136.86/172,689.53 = 68,548.23/x
  3. Step 3: Cross multiply
    125,136.86x = 172,689.53 × 68,548.23
  4. Step 4: Simplify right side
    125,136.86x = 11,837,561,278.29
  5. Step 5: Solve for x
    x = 11,837,561,278.29/125,136.86
  6. Step 6: Final answer
    x = 94,596.92

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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.