Home / 193,335.20-290,002.80-140,458.40

Finding the Fourth Proportional to 193,335.20, 290,002.80 and 140,458.40

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Solution

The fourth proportional to 193,335.20, 290,002.80 and 140,458.40 is: 210,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,335.20 : 290,002.80 = 140,458.40 : x
  2. Step 2: Convert to fraction form
    193,335.20/290,002.80 = 140,458.40/x
  3. Step 3: Cross multiply
    193,335.20x = 290,002.80 × 140,458.40
  4. Step 4: Simplify right side
    193,335.20x = 40,733,329,283.52
  5. Step 5: Solve for x
    x = 40,733,329,283.52/193,335.20
  6. Step 6: Final answer
    x = 210,687.60

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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.