Home / 103,685.05-155,488.69-44,490.25

Finding the Fourth Proportional to 103,685.05, 155,488.69 and 44,490.25

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Solution

The fourth proportional to 103,685.05, 155,488.69 and 44,490.25 is: 66,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685.05 : 155,488.69 = 44,490.25 : x
  2. Step 2: Convert to fraction form
    103,685.05/155,488.69 = 44,490.25/x
  3. Step 3: Cross multiply
    103,685.05x = 155,488.69 × 44,490.25
  4. Step 4: Simplify right side
    103,685.05x = 6,917,730,690.27
  5. Step 5: Solve for x
    x = 6,917,730,690.27/103,685.05
  6. Step 6: Final answer
    x = 66,718.69

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1.5x scale

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.