Home / 130,291.60-195,466.08-74,158.12

Finding the Fourth Proportional to 130,291.60, 195,466.08 and 74,158.12

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Solution

The fourth proportional to 130,291.60, 195,466.08 and 74,158.12 is: 111,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,291.60 : 195,466.08 = 74,158.12 : x
  2. Step 2: Convert to fraction form
    130,291.60/195,466.08 = 74,158.12/x
  3. Step 3: Cross multiply
    130,291.60x = 195,466.08 × 74,158.12
  4. Step 4: Simplify right side
    130,291.60x = 14,495,397,016.57
  5. Step 5: Solve for x
    x = 14,495,397,016.57/130,291.60
  6. Step 6: Final answer
    x = 111,253.50

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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.