Home / 142,930.40-214,426.40-48,170.08

Finding the Fourth Proportional to 142,930.40, 214,426.40 and 48,170.08

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Solution

The fourth proportional to 142,930.40, 214,426.40 and 48,170.08 is: 72,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,930.40 : 214,426.40 = 48,170.08 : x
  2. Step 2: Convert to fraction form
    142,930.40/214,426.40 = 48,170.08/x
  3. Step 3: Cross multiply
    142,930.40x = 214,426.40 × 48,170.08
  4. Step 4: Simplify right side
    142,930.40x = 10,328,936,842.11
  5. Step 5: Solve for x
    x = 10,328,936,842.11/142,930.40
  6. Step 6: Final answer
    x = 72,265.50

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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.