Home / 147,391.85-221,049.51-42,186.22

Finding the Fourth Proportional to 147,391.85, 221,049.51 and 42,186.22

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Solution

The fourth proportional to 147,391.85, 221,049.51 and 42,186.22 is: 63,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,391.85 : 221,049.51 = 42,186.22 : x
  2. Step 2: Convert to fraction form
    147,391.85/221,049.51 = 42,186.22/x
  3. Step 3: Cross multiply
    147,391.85x = 221,049.51 × 42,186.22
  4. Step 4: Simplify right side
    147,391.85x = 9,325,242,548.93
  5. Step 5: Solve for x
    x = 9,325,242,548.93/147,391.85
  6. Step 6: Final answer
    x = 63,268.37

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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.