Home / 161,931.76-242,904.92-49,603.79

Finding the Fourth Proportional to 161,931.76, 242,904.92 and 49,603.79

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Solution

The fourth proportional to 161,931.76, 242,904.92 and 49,603.79 is: 74,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,931.76 : 242,904.92 = 49,603.79 : x
  2. Step 2: Convert to fraction form
    161,931.76/242,904.92 = 49,603.79/x
  3. Step 3: Cross multiply
    161,931.76x = 242,904.92 × 49,603.79
  4. Step 4: Simplify right side
    161,931.76x = 12,049,004,641.65
  5. Step 5: Solve for x
    x = 12,049,004,641.65/161,931.76
  6. Step 6: Final answer
    x = 74,407.92

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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.