Home / 249,179.24-343,862.40-136,002.80

Finding the Fourth Proportional to 249,179.24, 343,862.40 and 136,002.80

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Solution

The fourth proportional to 249,179.24, 343,862.40 and 136,002.80 is: 187,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,179.24 : 343,862.40 = 136,002.80 : x
  2. Step 2: Convert to fraction form
    249,179.24/343,862.40 = 136,002.80/x
  3. Step 3: Cross multiply
    249,179.24x = 343,862.40 × 136,002.80
  4. Step 4: Simplify right side
    249,179.24x = 46,766,249,214.72
  5. Step 5: Solve for x
    x = 46,766,249,214.72/249,179.24
  6. Step 6: Final answer
    x = 187,681.16

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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.