Home / 131,219.89-181,058.04-73,851.57

Finding the Fourth Proportional to 131,219.89, 181,058.04 and 73,851.57

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Solution

The fourth proportional to 131,219.89, 181,058.04 and 73,851.57 is: 101,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,219.89 : 181,058.04 = 73,851.57 : x
  2. Step 2: Convert to fraction form
    131,219.89/181,058.04 = 73,851.57/x
  3. Step 3: Cross multiply
    131,219.89x = 181,058.04 × 73,851.57
  4. Step 4: Simplify right side
    131,219.89x = 13,371,420,515.12
  5. Step 5: Solve for x
    x = 13,371,420,515.12/131,219.89
  6. Step 6: Final answer
    x = 101,900.87

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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.