Home / 155,107.53-214,133.59-93,865.15

Finding the Fourth Proportional to 155,107.53, 214,133.59 and 93,865.15

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Solution

The fourth proportional to 155,107.53, 214,133.59 and 93,865.15 is: 129,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,107.53 : 214,133.59 = 93,865.15 : x
  2. Step 2: Convert to fraction form
    155,107.53/214,133.59 = 93,865.15/x
  3. Step 3: Cross multiply
    155,107.53x = 214,133.59 × 93,865.15
  4. Step 4: Simplify right side
    155,107.53x = 20,099,681,545.39
  5. Step 5: Solve for x
    x = 20,099,681,545.39/155,107.53
  6. Step 6: Final answer
    x = 129,585.47

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1.5x scale

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.