Home / 143,332.90-214,999.35-90,801.70

Finding the Fourth Proportional to 143,332.90, 214,999.35 and 90,801.70

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Solution

The fourth proportional to 143,332.90, 214,999.35 and 90,801.70 is: 136,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,332.90 : 214,999.35 = 90,801.70 : x
  2. Step 2: Convert to fraction form
    143,332.90/214,999.35 = 90,801.70/x
  3. Step 3: Cross multiply
    143,332.90x = 214,999.35 × 90,801.70
  4. Step 4: Simplify right side
    143,332.90x = 19,522,306,478.90
  5. Step 5: Solve for x
    x = 19,522,306,478.90/143,332.90
  6. Step 6: Final answer
    x = 136,202.55

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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.