Home / 249,651.57-344,434.98-142,145.52

Finding the Fourth Proportional to 249,651.57, 344,434.98 and 142,145.52

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Solution

The fourth proportional to 249,651.57, 344,434.98 and 142,145.52 is: 196,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,651.57 : 344,434.98 = 142,145.52 : x
  2. Step 2: Convert to fraction form
    249,651.57/344,434.98 = 142,145.52/x
  3. Step 3: Cross multiply
    249,651.57x = 344,434.98 × 142,145.52
  4. Step 4: Simplify right side
    249,651.57x = 48,959,889,338.29
  5. Step 5: Solve for x
    x = 48,959,889,338.29/249,651.57
  6. Step 6: Final answer
    x = 196,112.88

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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.