Home / 130,279.92-195,447.96-40,322.40

Finding the Fourth Proportional to 130,279.92, 195,447.96 and 40,322.40

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Solution

The fourth proportional to 130,279.92, 195,447.96 and 40,322.40 is: 60,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,279.92 : 195,447.96 = 40,322.40 : x
  2. Step 2: Convert to fraction form
    130,279.92/195,447.96 = 40,322.40/x
  3. Step 3: Cross multiply
    130,279.92x = 195,447.96 × 40,322.40
  4. Step 4: Simplify right side
    130,279.92x = 7,880,930,822.30
  5. Step 5: Solve for x
    x = 7,880,930,822.30/130,279.92
  6. Step 6: Final answer
    x = 60,492.29

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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.