Home / 131,070.07-180,874.98-73,709.38

Finding the Fourth Proportional to 131,070.07, 180,874.98 and 73,709.38

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Solution

The fourth proportional to 131,070.07, 180,874.98 and 73,709.38 is: 101,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,070.07 : 180,874.98 = 73,709.38 : x
  2. Step 2: Convert to fraction form
    131,070.07/180,874.98 = 73,709.38/x
  3. Step 3: Cross multiply
    131,070.07x = 180,874.98 × 73,709.38
  4. Step 4: Simplify right side
    131,070.07x = 13,332,182,143.39
  5. Step 5: Solve for x
    x = 13,332,182,143.39/131,070.07
  6. Step 6: Final answer
    x = 101,717.97

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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.