Home / 101,688.27-152,533.31-26,819.06

Finding the Fourth Proportional to 101,688.27, 152,533.31 and 26,819.06

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Solution

The fourth proportional to 101,688.27, 152,533.31 and 26,819.06 is: 40,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,688.27 : 152,533.31 = 26,819.06 : x
  2. Step 2: Convert to fraction form
    101,688.27/152,533.31 = 26,819.06/x
  3. Step 3: Cross multiply
    101,688.27x = 152,533.31 × 26,819.06
  4. Step 4: Simplify right side
    101,688.27x = 4,090,799,246.98
  5. Step 5: Solve for x
    x = 4,090,799,246.98/101,688.27
  6. Step 6: Final answer
    x = 40,228.82

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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.