Home / 159,088.32-219,542.85-87,468.93

Finding the Fourth Proportional to 159,088.32, 219,542.85 and 87,468.93

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Solution

The fourth proportional to 159,088.32, 219,542.85 and 87,468.93 is: 120,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,088.32 : 219,542.85 = 87,468.93 : x
  2. Step 2: Convert to fraction form
    159,088.32/219,542.85 = 87,468.93/x
  3. Step 3: Cross multiply
    159,088.32x = 219,542.85 × 87,468.93
  4. Step 4: Simplify right side
    159,088.32x = 19,203,178,178.65
  5. Step 5: Solve for x
    x = 19,203,178,178.65/159,088.32
  6. Step 6: Final answer
    x = 120,707.66

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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.