Home / 130,812.60-180,515.10-73,444.86

Finding the Fourth Proportional to 130,812.60, 180,515.10 and 73,444.86

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Solution

The fourth proportional to 130,812.60, 180,515.10 and 73,444.86 is: 101,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,812.60 : 180,515.10 = 73,444.86 : x
  2. Step 2: Convert to fraction form
    130,812.60/180,515.10 = 73,444.86/x
  3. Step 3: Cross multiply
    130,812.60x = 180,515.10 × 73,444.86
  4. Step 4: Simplify right side
    130,812.60x = 13,257,906,247.39
  5. Step 5: Solve for x
    x = 13,257,906,247.39/130,812.60
  6. Step 6: Final answer
    x = 101,350.38

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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.