Home / 249,178.24-343,861.02-136,001.80

Finding the Fourth Proportional to 249,178.24, 343,861.02 and 136,001.80

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Solution

The fourth proportional to 249,178.24, 343,861.02 and 136,001.80 is: 187,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,178.24 : 343,861.02 = 136,001.80 : x
  2. Step 2: Convert to fraction form
    249,178.24/343,861.02 = 136,001.80/x
  3. Step 3: Cross multiply
    249,178.24x = 343,861.02 × 136,001.80
  4. Step 4: Simplify right side
    249,178.24x = 46,765,717,669.84
  5. Step 5: Solve for x
    x = 46,765,717,669.84/249,178.24
  6. Step 6: Final answer
    x = 187,679.78

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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.