Home / 149,266.80-223,900.20-49,442.40

Finding the Fourth Proportional to 149,266.80, 223,900.20 and 49,442.40

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Solution

The fourth proportional to 149,266.80, 223,900.20 and 49,442.40 is: 74,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,266.80 : 223,900.20 = 49,442.40 : x
  2. Step 2: Convert to fraction form
    149,266.80/223,900.20 = 49,442.40/x
  3. Step 3: Cross multiply
    149,266.80x = 223,900.20 × 49,442.40
  4. Step 4: Simplify right side
    149,266.80x = 11,070,163,248.48
  5. Step 5: Solve for x
    x = 11,070,163,248.48/149,266.80
  6. Step 6: Final answer
    x = 74,163.60

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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.