Home / 223,799.40-308,869.38-125,698.68

Finding the Fourth Proportional to 223,799.40, 308,869.38 and 125,698.68

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Solution

The fourth proportional to 223,799.40, 308,869.38 and 125,698.68 is: 173,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,799.40 : 308,869.38 = 125,698.68 : x
  2. Step 2: Convert to fraction form
    223,799.40/308,869.38 = 125,698.68/x
  3. Step 3: Cross multiply
    223,799.40x = 308,869.38 × 125,698.68
  4. Step 4: Simplify right side
    223,799.40x = 38,824,473,358.42
  5. Step 5: Solve for x
    x = 38,824,473,358.42/223,799.40
  6. Step 6: Final answer
    x = 173,478.90

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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.