Home / 99,284.32-136,956.84-61,017.24

Finding the Fourth Proportional to 99,284.32, 136,956.84 and 61,017.24

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Solution

The fourth proportional to 99,284.32, 136,956.84 and 61,017.24 is: 84,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,284.32 : 136,956.84 = 61,017.24 : x
  2. Step 2: Convert to fraction form
    99,284.32/136,956.84 = 61,017.24/x
  3. Step 3: Cross multiply
    99,284.32x = 136,956.84 × 61,017.24
  4. Step 4: Simplify right side
    99,284.32x = 8,356,728,375.92
  5. Step 5: Solve for x
    x = 8,356,728,375.92/99,284.32
  6. Step 6: Final answer
    x = 84,169.67

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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.