Home / 130,800.20-180,559.13-88,416.14

Finding the Fourth Proportional to 130,800.20, 180,559.13 and 88,416.14

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Solution

The fourth proportional to 130,800.20, 180,559.13 and 88,416.14 is: 122,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,800.20 : 180,559.13 = 88,416.14 : x
  2. Step 2: Convert to fraction form
    130,800.20/180,559.13 = 88,416.14/x
  3. Step 3: Cross multiply
    130,800.20x = 180,559.13 × 88,416.14
  4. Step 4: Simplify right side
    130,800.20x = 15,964,339,971.48
  5. Step 5: Solve for x
    x = 15,964,339,971.48/130,800.20
  6. Step 6: Final answer
    x = 122,051.35

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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.