Home / 249,542.50-344,368.20-142,112.56

Finding the Fourth Proportional to 249,542.50, 344,368.20 and 142,112.56

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Solution

The fourth proportional to 249,542.50, 344,368.20 and 142,112.56 is: 196,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,542.50 : 344,368.20 = 142,112.56 : x
  2. Step 2: Convert to fraction form
    249,542.50/344,368.20 = 142,112.56/x
  3. Step 3: Cross multiply
    249,542.50x = 344,368.20 × 142,112.56
  4. Step 4: Simplify right side
    249,542.50x = 48,939,046,484.59
  5. Step 5: Solve for x
    x = 48,939,046,484.59/249,542.50
  6. Step 6: Final answer
    x = 196,115.08

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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.