Home / 159,274.18-239,058.96-80,443.72

Finding the Fourth Proportional to 159,274.18, 239,058.96 and 80,443.72

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Solution

The fourth proportional to 159,274.18, 239,058.96 and 80,443.72 is: 120,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,274.18 : 239,058.96 = 80,443.72 : x
  2. Step 2: Convert to fraction form
    159,274.18/239,058.96 = 80,443.72/x
  3. Step 3: Cross multiply
    159,274.18x = 239,058.96 × 80,443.72
  4. Step 4: Simplify right side
    159,274.18x = 19,230,792,041.73
  5. Step 5: Solve for x
    x = 19,230,792,041.73/159,274.18
  6. Step 6: Final answer
    x = 120,740.17

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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.