Home / 249,617.67-344,432.16-142,189.80

Finding the Fourth Proportional to 249,617.67, 344,432.16 and 142,189.80

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Solution

The fourth proportional to 249,617.67, 344,432.16 and 142,189.80 is: 196,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,617.67 : 344,432.16 = 142,189.80 : x
  2. Step 2: Convert to fraction form
    249,617.67/344,432.16 = 142,189.80/x
  3. Step 3: Cross multiply
    249,617.67x = 344,432.16 × 142,189.80
  4. Step 4: Simplify right side
    249,617.67x = 48,974,739,943.97
  5. Step 5: Solve for x
    x = 48,974,739,943.97/249,617.67
  6. Step 6: Final answer
    x = 196,199.01

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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.