Home / 102,621.65-153,806.72-58,285.71

Finding the Fourth Proportional to 102,621.65, 153,806.72 and 58,285.71

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Solution

The fourth proportional to 102,621.65, 153,806.72 and 58,285.71 is: 87,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,621.65 : 153,806.72 = 58,285.71 : x
  2. Step 2: Convert to fraction form
    102,621.65/153,806.72 = 58,285.71/x
  3. Step 3: Cross multiply
    102,621.65x = 153,806.72 × 58,285.71
  4. Step 4: Simplify right side
    102,621.65x = 8,964,733,586.54
  5. Step 5: Solve for x
    x = 8,964,733,586.54/102,621.65
  6. Step 6: Final answer
    x = 87,357.14

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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.