Home / 130,199.60-195,364.20-51,316.40

Finding the Fourth Proportional to 130,199.60, 195,364.20 and 51,316.40

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Solution

The fourth proportional to 130,199.60, 195,364.20 and 51,316.40 is: 77,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,199.60 : 195,364.20 = 51,316.40 : x
  2. Step 2: Convert to fraction form
    130,199.60/195,364.20 = 51,316.40/x
  3. Step 3: Cross multiply
    130,199.60x = 195,364.20 × 51,316.40
  4. Step 4: Simplify right side
    130,199.60x = 10,025,387,432.88
  5. Step 5: Solve for x
    x = 10,025,387,432.88/130,199.60
  6. Step 6: Final answer
    x = 77,000.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.