Home / 159,482.73-220,091.82-87,868.20

Finding the Fourth Proportional to 159,482.73, 220,091.82 and 87,868.20

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Solution

The fourth proportional to 159,482.73, 220,091.82 and 87,868.20 is: 121,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,482.73 : 220,091.82 = 87,868.20 : x
  2. Step 2: Convert to fraction form
    159,482.73/220,091.82 = 87,868.20/x
  3. Step 3: Cross multiply
    159,482.73x = 220,091.82 × 87,868.20
  4. Step 4: Simplify right side
    159,482.73x = 19,339,072,058.12
  5. Step 5: Solve for x
    x = 19,339,072,058.12/159,482.73
  6. Step 6: Final answer
    x = 121,261.23

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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.