Home / 124,800.15-172,221.67-68,211.93

Finding the Fourth Proportional to 124,800.15, 172,221.67 and 68,211.93

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Solution

The fourth proportional to 124,800.15, 172,221.67 and 68,211.93 is: 94,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,800.15 : 172,221.67 = 68,211.93 : x
  2. Step 2: Convert to fraction form
    124,800.15/172,221.67 = 68,211.93/x
  3. Step 3: Cross multiply
    124,800.15x = 172,221.67 × 68,211.93
  4. Step 4: Simplify right side
    124,800.15x = 11,747,572,498.52
  5. Step 5: Solve for x
    x = 11,747,572,498.52/124,800.15
  6. Step 6: Final answer
    x = 94,131.08

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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.