Home / 156,974.80-235,501.89-68,244.16

Finding the Fourth Proportional to 156,974.80, 235,501.89 and 68,244.16

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Solution

The fourth proportional to 156,974.80, 235,501.89 and 68,244.16 is: 102,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.80 : 235,501.89 = 68,244.16 : x
  2. Step 2: Convert to fraction form
    156,974.80/235,501.89 = 68,244.16/x
  3. Step 3: Cross multiply
    156,974.80x = 235,501.89 × 68,244.16
  4. Step 4: Simplify right side
    156,974.80x = 16,071,628,661.46
  5. Step 5: Solve for x
    x = 16,071,628,661.46/156,974.80
  6. Step 6: Final answer
    x = 102,383.50

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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.