Home / 207,458.28-286,298.10-126,884.34

Finding the Fourth Proportional to 207,458.28, 286,298.10 and 126,884.34

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Solution

The fourth proportional to 207,458.28, 286,298.10 and 126,884.34 is: 175,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,458.28 : 286,298.10 = 126,884.34 : x
  2. Step 2: Convert to fraction form
    207,458.28/286,298.10 = 126,884.34/x
  3. Step 3: Cross multiply
    207,458.28x = 286,298.10 × 126,884.34
  4. Step 4: Simplify right side
    207,458.28x = 36,326,745,461.75
  5. Step 5: Solve for x
    x = 36,326,745,461.75/207,458.28
  6. Step 6: Final answer
    x = 175,103.86

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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.