Home / 130,598.60-195,889.68-77,968.46

Finding the Fourth Proportional to 130,598.60, 195,889.68 and 77,968.46

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Solution

The fourth proportional to 130,598.60, 195,889.68 and 77,968.46 is: 116,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,598.60 : 195,889.68 = 77,968.46 : x
  2. Step 2: Convert to fraction form
    130,598.60/195,889.68 = 77,968.46/x
  3. Step 3: Cross multiply
    130,598.60x = 195,889.68 × 77,968.46
  4. Step 4: Simplify right side
    130,598.60x = 15,273,216,679.49
  5. Step 5: Solve for x
    x = 15,273,216,679.49/130,598.60
  6. Step 6: Final answer
    x = 116,947.78

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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.