Home / 149,045.80-223,568.70-42,429.55

Finding the Fourth Proportional to 149,045.80, 223,568.70 and 42,429.55

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Solution

The fourth proportional to 149,045.80, 223,568.70 and 42,429.55 is: 63,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,045.80 : 223,568.70 = 42,429.55 : x
  2. Step 2: Convert to fraction form
    149,045.80/223,568.70 = 42,429.55/x
  3. Step 3: Cross multiply
    149,045.80x = 223,568.70 × 42,429.55
  4. Step 4: Simplify right side
    149,045.80x = 9,485,919,335.09
  5. Step 5: Solve for x
    x = 9,485,919,335.09/149,045.80
  6. Step 6: Final answer
    x = 63,644.33

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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.