Home / 249,621.60-374,432.40-72,134.40

Finding the Fourth Proportional to 249,621.60, 374,432.40 and 72,134.40

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Solution

The fourth proportional to 249,621.60, 374,432.40 and 72,134.40 is: 108,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,621.60 : 374,432.40 = 72,134.40 : x
  2. Step 2: Convert to fraction form
    249,621.60/374,432.40 = 72,134.40/x
  3. Step 3: Cross multiply
    249,621.60x = 374,432.40 × 72,134.40
  4. Step 4: Simplify right side
    249,621.60x = 27,009,456,514.56
  5. Step 5: Solve for x
    x = 27,009,456,514.56/249,621.60
  6. Step 6: Final answer
    x = 108,201.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.