Home / 131,302.32-196,977.96-42,547.92

Finding the Fourth Proportional to 131,302.32, 196,977.96 and 42,547.92

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Solution

The fourth proportional to 131,302.32, 196,977.96 and 42,547.92 is: 63,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,302.32 : 196,977.96 = 42,547.92 : x
  2. Step 2: Convert to fraction form
    131,302.32/196,977.96 = 42,547.92/x
  3. Step 3: Cross multiply
    131,302.32x = 196,977.96 × 42,547.92
  4. Step 4: Simplify right side
    131,302.32x = 8,381,002,483.84
  5. Step 5: Solve for x
    x = 8,381,002,483.84/131,302.32
  6. Step 6: Final answer
    x = 63,829.81

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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.