Home / 131,798.08-181,894.32-75,217.92

Finding the Fourth Proportional to 131,798.08, 181,894.32 and 75,217.92

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Solution

The fourth proportional to 131,798.08, 181,894.32 and 75,217.92 is: 103,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,798.08 : 181,894.32 = 75,217.92 : x
  2. Step 2: Convert to fraction form
    131,798.08/181,894.32 = 75,217.92/x
  3. Step 3: Cross multiply
    131,798.08x = 181,894.32 × 75,217.92
  4. Step 4: Simplify right side
    131,798.08x = 13,681,712,410.21
  5. Step 5: Solve for x
    x = 13,681,712,410.21/131,798.08
  6. Step 6: Final answer
    x = 103,808.13

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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.