Home / 130,422.40-195,633.60-60,438.40

Finding the Fourth Proportional to 130,422.40, 195,633.60 and 60,438.40

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Solution

The fourth proportional to 130,422.40, 195,633.60 and 60,438.40 is: 90,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,422.40 : 195,633.60 = 60,438.40 : x
  2. Step 2: Convert to fraction form
    130,422.40/195,633.60 = 60,438.40/x
  3. Step 3: Cross multiply
    130,422.40x = 195,633.60 × 60,438.40
  4. Step 4: Simplify right side
    130,422.40x = 11,823,781,770.24
  5. Step 5: Solve for x
    x = 11,823,781,770.24/130,422.40
  6. Step 6: Final answer
    x = 90,657.60

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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.