Home / 130,291.20-195,436.80-67,953.60

Finding the Fourth Proportional to 130,291.20, 195,436.80 and 67,953.60

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Solution

The fourth proportional to 130,291.20, 195,436.80 and 67,953.60 is: 101,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,291.20 : 195,436.80 = 67,953.60 : x
  2. Step 2: Convert to fraction form
    130,291.20/195,436.80 = 67,953.60/x
  3. Step 3: Cross multiply
    130,291.20x = 195,436.80 × 67,953.60
  4. Step 4: Simplify right side
    130,291.20x = 13,280,634,132.48
  5. Step 5: Solve for x
    x = 13,280,634,132.48/130,291.20
  6. Step 6: Final answer
    x = 101,930.40

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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.