Home / 131,981.32-197,877.96-61,822.36

Finding the Fourth Proportional to 131,981.32, 197,877.96 and 61,822.36

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Solution

The fourth proportional to 131,981.32, 197,877.96 and 61,822.36 is: 92,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,981.32 : 197,877.96 = 61,822.36 : x
  2. Step 2: Convert to fraction form
    131,981.32/197,877.96 = 61,822.36/x
  3. Step 3: Cross multiply
    131,981.32x = 197,877.96 × 61,822.36
  4. Step 4: Simplify right side
    131,981.32x = 12,233,282,479.19
  5. Step 5: Solve for x
    x = 12,233,282,479.19/131,981.32
  6. Step 6: Final answer
    x = 92,689.50

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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.