Home / 102,285.04-153,251.52-79,840.48

Finding the Fourth Proportional to 102,285.04, 153,251.52 and 79,840.48

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Solution

The fourth proportional to 102,285.04, 153,251.52 and 79,840.48 is: 119,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,285.04 : 153,251.52 = 79,840.48 : x
  2. Step 2: Convert to fraction form
    102,285.04/153,251.52 = 79,840.48/x
  3. Step 3: Cross multiply
    102,285.04x = 153,251.52 × 79,840.48
  4. Step 4: Simplify right side
    102,285.04x = 12,235,674,917.53
  5. Step 5: Solve for x
    x = 12,235,674,917.53/102,285.04
  6. Step 6: Final answer
    x = 119,623.31

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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.