Home / 249,247.55-343,959.86-136,070.30

Finding the Fourth Proportional to 249,247.55, 343,959.86 and 136,070.30

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Solution

The fourth proportional to 249,247.55, 343,959.86 and 136,070.30 is: 187,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,247.55 : 343,959.86 = 136,070.30 : x
  2. Step 2: Convert to fraction form
    249,247.55/343,959.86 = 136,070.30/x
  3. Step 3: Cross multiply
    249,247.55x = 343,959.86 × 136,070.30
  4. Step 4: Simplify right side
    249,247.55x = 46,802,718,938.01
  5. Step 5: Solve for x
    x = 46,802,718,938.01/249,247.55
  6. Step 6: Final answer
    x = 187,776.05

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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.