Home / 157,182.49-235,641.46-68,369.10

Finding the Fourth Proportional to 157,182.49, 235,641.46 and 68,369.10

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Solution

The fourth proportional to 157,182.49, 235,641.46 and 68,369.10 is: 102,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,182.49 : 235,641.46 = 68,369.10 : x
  2. Step 2: Convert to fraction form
    157,182.49/235,641.46 = 68,369.10/x
  3. Step 3: Cross multiply
    157,182.49x = 235,641.46 × 68,369.10
  4. Step 4: Simplify right side
    157,182.49x = 16,110,594,542.89
  5. Step 5: Solve for x
    x = 16,110,594,542.89/157,182.49
  6. Step 6: Final answer
    x = 102,496.11

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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.