Home / 130,290.34-195,464.21-74,156.88

Finding the Fourth Proportional to 130,290.34, 195,464.21 and 74,156.88

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Solution

The fourth proportional to 130,290.34, 195,464.21 and 74,156.88 is: 111,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,290.34 : 195,464.21 = 74,156.88 : x
  2. Step 2: Convert to fraction form
    130,290.34/195,464.21 = 74,156.88/x
  3. Step 3: Cross multiply
    130,290.34x = 195,464.21 × 74,156.88
  4. Step 4: Simplify right side
    130,290.34x = 14,495,015,965.26
  5. Step 5: Solve for x
    x = 14,495,015,965.26/130,290.34
  6. Step 6: Final answer
    x = 111,251.66

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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.