Home / 142,275.60-196,346.07-81,846.27

Finding the Fourth Proportional to 142,275.60, 196,346.07 and 81,846.27

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Solution

The fourth proportional to 142,275.60, 196,346.07 and 81,846.27 is: 112,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,275.60 : 196,346.07 = 81,846.27 : x
  2. Step 2: Convert to fraction form
    142,275.60/196,346.07 = 81,846.27/x
  3. Step 3: Cross multiply
    142,275.60x = 196,346.07 × 81,846.27
  4. Step 4: Simplify right side
    142,275.60x = 16,070,193,458.66
  5. Step 5: Solve for x
    x = 16,070,193,458.66/142,275.60
  6. Step 6: Final answer
    x = 112,951.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.