Home / 155,024.68-213,999.06-104,791.72

Finding the Fourth Proportional to 155,024.68, 213,999.06 and 104,791.72

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Solution

The fourth proportional to 155,024.68, 213,999.06 and 104,791.72 is: 144,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,024.68 : 213,999.06 = 104,791.72 : x
  2. Step 2: Convert to fraction form
    155,024.68/213,999.06 = 104,791.72/x
  3. Step 3: Cross multiply
    155,024.68x = 213,999.06 × 104,791.72
  4. Step 4: Simplify right side
    155,024.68x = 22,425,329,575.78
  5. Step 5: Solve for x
    x = 22,425,329,575.78/155,024.68
  6. Step 6: Final answer
    x = 144,656.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.