Home / 130,785.48-180,538.20-88,401.42

Finding the Fourth Proportional to 130,785.48, 180,538.20 and 88,401.42

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Solution

The fourth proportional to 130,785.48, 180,538.20 and 88,401.42 is: 122,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,785.48 : 180,538.20 = 88,401.42 : x
  2. Step 2: Convert to fraction form
    130,785.48/180,538.20 = 88,401.42/x
  3. Step 3: Cross multiply
    130,785.48x = 180,538.20 × 88,401.42
  4. Step 4: Simplify right side
    130,785.48x = 15,959,833,244.24
  5. Step 5: Solve for x
    x = 15,959,833,244.24/130,785.48
  6. Step 6: Final answer
    x = 122,030.62

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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.