Home / 148,949.60-223,429.80-43,779.20

Finding the Fourth Proportional to 148,949.60, 223,429.80 and 43,779.20

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Solution

The fourth proportional to 148,949.60, 223,429.80 and 43,779.20 is: 65,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,949.60 : 223,429.80 = 43,779.20 : x
  2. Step 2: Convert to fraction form
    148,949.60/223,429.80 = 43,779.20/x
  3. Step 3: Cross multiply
    148,949.60x = 223,429.80 × 43,779.20
  4. Step 4: Simplify right side
    148,949.60x = 9,781,577,900.16
  5. Step 5: Solve for x
    x = 9,781,577,900.16/148,949.60
  6. Step 6: Final answer
    x = 65,670.39

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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.