Home / 99,204.32-136,850.64-61,412.96

Finding the Fourth Proportional to 99,204.32, 136,850.64 and 61,412.96

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Solution

The fourth proportional to 99,204.32, 136,850.64 and 61,412.96 is: 84,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,204.32 : 136,850.64 = 61,412.96 : x
  2. Step 2: Convert to fraction form
    99,204.32/136,850.64 = 61,412.96/x
  3. Step 3: Cross multiply
    99,204.32x = 136,850.64 × 61,412.96
  4. Step 4: Simplify right side
    99,204.32x = 8,404,402,880.29
  5. Step 5: Solve for x
    x = 8,404,402,880.29/99,204.32
  6. Step 6: Final answer
    x = 84,718.11

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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.