Home / 130,515.30-195,643.35-60,272.10

Finding the Fourth Proportional to 130,515.30, 195,643.35 and 60,272.10

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Solution

The fourth proportional to 130,515.30, 195,643.35 and 60,272.10 is: 90,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,515.30 : 195,643.35 = 60,272.10 : x
  2. Step 2: Convert to fraction form
    130,515.30/195,643.35 = 60,272.10/x
  3. Step 3: Cross multiply
    130,515.30x = 195,643.35 × 60,272.10
  4. Step 4: Simplify right side
    130,515.30x = 11,791,835,555.54
  5. Step 5: Solve for x
    x = 11,791,835,555.54/130,515.30
  6. Step 6: Final answer
    x = 90,348.30

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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.