Home / 130,741.28-196,131.36-60,627.68

Finding the Fourth Proportional to 130,741.28, 196,131.36 and 60,627.68

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Solution

The fourth proportional to 130,741.28, 196,131.36 and 60,627.68 is: 90,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,741.28 : 196,131.36 = 60,627.68 : x
  2. Step 2: Convert to fraction form
    130,741.28/196,131.36 = 60,627.68/x
  3. Step 3: Cross multiply
    130,741.28x = 196,131.36 × 60,627.68
  4. Step 4: Simplify right side
    130,741.28x = 11,890,989,332.04
  5. Step 5: Solve for x
    x = 11,890,989,332.04/130,741.28
  6. Step 6: Final answer
    x = 90,950.53

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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.