Home / 130,255.86-179,753.67-73,678.17

Finding the Fourth Proportional to 130,255.86, 179,753.67 and 73,678.17

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Solution

The fourth proportional to 130,255.86, 179,753.67 and 73,678.17 is: 101,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,255.86 : 179,753.67 = 73,678.17 : x
  2. Step 2: Convert to fraction form
    130,255.86/179,753.67 = 73,678.17/x
  3. Step 3: Cross multiply
    130,255.86x = 179,753.67 × 73,678.17
  4. Step 4: Simplify right side
    130,255.86x = 13,243,921,456.38
  5. Step 5: Solve for x
    x = 13,243,921,456.38/130,255.86
  6. Step 6: Final answer
    x = 101,676.20

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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.