Home / 105,828.28-157,711.77-102,624.44

Finding the Fourth Proportional to 105,828.28, 157,711.77 and 102,624.44

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Solution

The fourth proportional to 105,828.28, 157,711.77 and 102,624.44 is: 152,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,828.28 : 157,711.77 = 102,624.44 : x
  2. Step 2: Convert to fraction form
    105,828.28/157,711.77 = 102,624.44/x
  3. Step 3: Cross multiply
    105,828.28x = 157,711.77 × 102,624.44
  4. Step 4: Simplify right side
    105,828.28x = 16,185,082,077.66
  5. Step 5: Solve for x
    x = 16,185,082,077.66/105,828.28
  6. Step 6: Final answer
    x = 152,937.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.