Home / 149,026.39-223,050.90-81,454.93

Finding the Fourth Proportional to 149,026.39, 223,050.90 and 81,454.93

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Solution

The fourth proportional to 149,026.39, 223,050.90 and 81,454.93 is: 121,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,026.39 : 223,050.90 = 81,454.93 : x
  2. Step 2: Convert to fraction form
    149,026.39/223,050.90 = 81,454.93/x
  3. Step 3: Cross multiply
    149,026.39x = 223,050.90 × 81,454.93
  4. Step 4: Simplify right side
    149,026.39x = 18,168,595,445.94
  5. Step 5: Solve for x
    x = 18,168,595,445.94/149,026.39
  6. Step 6: Final answer
    x = 121,915.29

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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.