Home / 249,981.75-375,011.73-81,462.96

Finding the Fourth Proportional to 249,981.75, 375,011.73 and 81,462.96

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Solution

The fourth proportional to 249,981.75, 375,011.73 and 81,462.96 is: 122,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,981.75 : 375,011.73 = 81,462.96 : x
  2. Step 2: Convert to fraction form
    249,981.75/375,011.73 = 81,462.96/x
  3. Step 3: Cross multiply
    249,981.75x = 375,011.73 × 81,462.96
  4. Step 4: Simplify right side
    249,981.75x = 30,549,565,560.52
  5. Step 5: Solve for x
    x = 30,549,565,560.52/249,981.75
  6. Step 6: Final answer
    x = 122,207.18

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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.