Home / 130,421.20-195,718.20-74,261.20

Finding the Fourth Proportional to 130,421.20, 195,718.20 and 74,261.20

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Solution

The fourth proportional to 130,421.20, 195,718.20 and 74,261.20 is: 111,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,421.20 : 195,718.20 = 74,261.20 : x
  2. Step 2: Convert to fraction form
    130,421.20/195,718.20 = 74,261.20/x
  3. Step 3: Cross multiply
    130,421.20x = 195,718.20 × 74,261.20
  4. Step 4: Simplify right side
    130,421.20x = 14,534,268,393.84
  5. Step 5: Solve for x
    x = 14,534,268,393.84/130,421.20
  6. Step 6: Final answer
    x = 111,441.00

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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.