Home / 249,520.50-344,346.80-136,350.54

Finding the Fourth Proportional to 249,520.50, 344,346.80 and 136,350.54

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Solution

The fourth proportional to 249,520.50, 344,346.80 and 136,350.54 is: 188,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,520.50 : 344,346.80 = 136,350.54 : x
  2. Step 2: Convert to fraction form
    249,520.50/344,346.80 = 136,350.54/x
  3. Step 3: Cross multiply
    249,520.50x = 344,346.80 × 136,350.54
  4. Step 4: Simplify right side
    249,520.50x = 46,951,871,445.52
  5. Step 5: Solve for x
    x = 46,951,871,445.52/249,520.50
  6. Step 6: Final answer
    x = 188,168.39

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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.