Home / 144,918.45-217,350-45,079.88

Finding the Fourth Proportional to 144,918.45, 217,350 and 45,079.88

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Solution

The fourth proportional to 144,918.45, 217,350 and 45,079.88 is: 67,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,918.45 : 217,350 = 45,079.88 : x
  2. Step 2: Convert to fraction form
    144,918.45/217,350 = 45,079.88/x
  3. Step 3: Cross multiply
    144,918.45x = 217,350 × 45,079.88
  4. Step 4: Simplify right side
    144,918.45x = 9,798,110,831.25
  5. Step 5: Solve for x
    x = 9,798,110,831.25/144,918.45
  6. Step 6: Final answer
    x = 67,611.20

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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.