Home / 130,096.29-179,467.11-87,077.61

Finding the Fourth Proportional to 130,096.29, 179,467.11 and 87,077.61

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Solution

The fourth proportional to 130,096.29, 179,467.11 and 87,077.61 is: 120,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,096.29 : 179,467.11 = 87,077.61 : x
  2. Step 2: Convert to fraction form
    130,096.29/179,467.11 = 87,077.61/x
  3. Step 3: Cross multiply
    130,096.29x = 179,467.11 × 87,077.61
  4. Step 4: Simplify right side
    130,096.29x = 15,627,567,012.41
  5. Step 5: Solve for x
    x = 15,627,567,012.41/130,096.29
  6. Step 6: Final answer
    x = 120,123.08

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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.