Home / 149,038.20-223,298.10-122,599.80

Finding the Fourth Proportional to 149,038.20, 223,298.10 and 122,599.80

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Solution

The fourth proportional to 149,038.20, 223,298.10 and 122,599.80 is: 183,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,038.20 : 223,298.10 = 122,599.80 : x
  2. Step 2: Convert to fraction form
    149,038.20/223,298.10 = 122,599.80/x
  3. Step 3: Cross multiply
    149,038.20x = 223,298.10 × 122,599.80
  4. Step 4: Simplify right side
    149,038.20x = 27,376,302,400.38
  5. Step 5: Solve for x
    x = 27,376,302,400.38/149,038.20
  6. Step 6: Final answer
    x = 183,686.48

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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.