Home / 143,542.60-214,925.10-112,438.60

Finding the Fourth Proportional to 143,542.60, 214,925.10 and 112,438.60

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Solution

The fourth proportional to 143,542.60, 214,925.10 and 112,438.60 is: 168,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,542.60 : 214,925.10 = 112,438.60 : x
  2. Step 2: Convert to fraction form
    143,542.60/214,925.10 = 112,438.60/x
  3. Step 3: Cross multiply
    143,542.60x = 214,925.10 × 112,438.60
  4. Step 4: Simplify right side
    143,542.60x = 24,165,877,348.86
  5. Step 5: Solve for x
    x = 24,165,877,348.86/143,542.60
  6. Step 6: Final answer
    x = 168,353.35

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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.