Home / 130,130.40-195,195.60-63,613.20

Finding the Fourth Proportional to 130,130.40, 195,195.60 and 63,613.20

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Solution

The fourth proportional to 130,130.40, 195,195.60 and 63,613.20 is: 95,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,130.40 : 195,195.60 = 63,613.20 : x
  2. Step 2: Convert to fraction form
    130,130.40/195,195.60 = 63,613.20/x
  3. Step 3: Cross multiply
    130,130.40x = 195,195.60 × 63,613.20
  4. Step 4: Simplify right side
    130,130.40x = 12,417,016,741.92
  5. Step 5: Solve for x
    x = 12,417,016,741.92/130,130.40
  6. Step 6: Final answer
    x = 95,419.80

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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.