Home / 130,200.60-179,677.61-75,785.07

Finding the Fourth Proportional to 130,200.60, 179,677.61 and 75,785.07

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Solution

The fourth proportional to 130,200.60, 179,677.61 and 75,785.07 is: 104,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,200.60 : 179,677.61 = 75,785.07 : x
  2. Step 2: Convert to fraction form
    130,200.60/179,677.61 = 75,785.07/x
  3. Step 3: Cross multiply
    130,200.60x = 179,677.61 × 75,785.07
  4. Step 4: Simplify right side
    130,200.60x = 13,616,880,251.28
  5. Step 5: Solve for x
    x = 13,616,880,251.28/130,200.60
  6. Step 6: Final answer
    x = 104,583.85

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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.