Home / 103,036.62-142,171.29-60,579.66

Finding the Fourth Proportional to 103,036.62, 142,171.29 and 60,579.66

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Solution

The fourth proportional to 103,036.62, 142,171.29 and 60,579.66 is: 83,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,036.62 : 142,171.29 = 60,579.66 : x
  2. Step 2: Convert to fraction form
    103,036.62/142,171.29 = 60,579.66/x
  3. Step 3: Cross multiply
    103,036.62x = 142,171.29 × 60,579.66
  4. Step 4: Simplify right side
    103,036.62x = 8,612,688,409.96
  5. Step 5: Solve for x
    x = 8,612,688,409.96/103,036.62
  6. Step 6: Final answer
    x = 83,588.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.