Home / 164,876.20-247,314.30-142,325.80

Finding the Fourth Proportional to 164,876.20, 247,314.30 and 142,325.80

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Solution

The fourth proportional to 164,876.20, 247,314.30 and 142,325.80 is: 213,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,876.20 : 247,314.30 = 142,325.80 : x
  2. Step 2: Convert to fraction form
    164,876.20/247,314.30 = 142,325.80/x
  3. Step 3: Cross multiply
    164,876.20x = 247,314.30 × 142,325.80
  4. Step 4: Simplify right side
    164,876.20x = 35,199,205,598.94
  5. Step 5: Solve for x
    x = 35,199,205,598.94/164,876.20
  6. Step 6: Final answer
    x = 213,488.70

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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.