Home / 149,026.20-223,280.10-122,587.80

Finding the Fourth Proportional to 149,026.20, 223,280.10 and 122,587.80

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Solution

The fourth proportional to 149,026.20, 223,280.10 and 122,587.80 is: 183,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,026.20 : 223,280.10 = 122,587.80 : x
  2. Step 2: Convert to fraction form
    149,026.20/223,280.10 = 122,587.80/x
  3. Step 3: Cross multiply
    149,026.20x = 223,280.10 × 122,587.80
  4. Step 4: Simplify right side
    149,026.20x = 27,371,416,242.78
  5. Step 5: Solve for x
    x = 27,371,416,242.78/149,026.20
  6. Step 6: Final answer
    x = 183,668.48

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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.