Home / 103,589.12-155,383.76-44,386.40

Finding the Fourth Proportional to 103,589.12, 155,383.76 and 44,386.40

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Solution

The fourth proportional to 103,589.12, 155,383.76 and 44,386.40 is: 66,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589.12 : 155,383.76 = 44,386.40 : x
  2. Step 2: Convert to fraction form
    103,589.12/155,383.76 = 44,386.40/x
  3. Step 3: Cross multiply
    103,589.12x = 155,383.76 × 44,386.40
  4. Step 4: Simplify right side
    103,589.12x = 6,896,925,724.86
  5. Step 5: Solve for x
    x = 6,896,925,724.86/103,589.12
  6. Step 6: Final answer
    x = 66,579.63

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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.