Home / 249,345.18-373,964.31-71,819.10

Finding the Fourth Proportional to 249,345.18, 373,964.31 and 71,819.10

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Solution

The fourth proportional to 249,345.18, 373,964.31 and 71,819.10 is: 107,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,345.18 : 373,964.31 = 71,819.10 : x
  2. Step 2: Convert to fraction form
    249,345.18/373,964.31 = 71,819.10/x
  3. Step 3: Cross multiply
    249,345.18x = 373,964.31 × 71,819.10
  4. Step 4: Simplify right side
    249,345.18x = 26,857,780,176.32
  5. Step 5: Solve for x
    x = 26,857,780,176.32/249,345.18
  6. Step 6: Final answer
    x = 107,713.25

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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.