Home / 142,452.30-213,697.65-48,986.70

Finding the Fourth Proportional to 142,452.30, 213,697.65 and 48,986.70

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Solution

The fourth proportional to 142,452.30, 213,697.65 and 48,986.70 is: 73,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,452.30 : 213,697.65 = 48,986.70 : x
  2. Step 2: Convert to fraction form
    142,452.30/213,697.65 = 48,986.70/x
  3. Step 3: Cross multiply
    142,452.30x = 213,697.65 × 48,986.70
  4. Step 4: Simplify right side
    142,452.30x = 10,468,342,671.26
  5. Step 5: Solve for x
    x = 10,468,342,671.26/142,452.30
  6. Step 6: Final answer
    x = 73,486.65

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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.