Home / 239,023.72-329,872.05-137,058.69

Finding the Fourth Proportional to 239,023.72, 329,872.05 and 137,058.69

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Solution

The fourth proportional to 239,023.72, 329,872.05 and 137,058.69 is: 189,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,023.72 : 329,872.05 = 137,058.69 : x
  2. Step 2: Convert to fraction form
    239,023.72/329,872.05 = 137,058.69/x
  3. Step 3: Cross multiply
    239,023.72x = 329,872.05 × 137,058.69
  4. Step 4: Simplify right side
    239,023.72x = 45,211,830,355.32
  5. Step 5: Solve for x
    x = 45,211,830,355.32/239,023.72
  6. Step 6: Final answer
    x = 189,152.07

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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.