Home / 102,870.24-154,353.89-36,341.70

Finding the Fourth Proportional to 102,870.24, 154,353.89 and 36,341.70

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Solution

The fourth proportional to 102,870.24, 154,353.89 and 36,341.70 is: 54,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,870.24 : 154,353.89 = 36,341.70 : x
  2. Step 2: Convert to fraction form
    102,870.24/154,353.89 = 36,341.70/x
  3. Step 3: Cross multiply
    102,870.24x = 154,353.89 × 36,341.70
  4. Step 4: Simplify right side
    102,870.24x = 5,609,482,764.21
  5. Step 5: Solve for x
    x = 5,609,482,764.21/102,870.24
  6. Step 6: Final answer
    x = 54,529.69

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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.