Home / 145,001.26-217,522.14-45,168.76

Finding the Fourth Proportional to 145,001.26, 217,522.14 and 45,168.76

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Solution

The fourth proportional to 145,001.26, 217,522.14 and 45,168.76 is: 67,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,001.26 : 217,522.14 = 45,168.76 : x
  2. Step 2: Convert to fraction form
    145,001.26/217,522.14 = 45,168.76/x
  3. Step 3: Cross multiply
    145,001.26x = 217,522.14 × 45,168.76
  4. Step 4: Simplify right side
    145,001.26x = 9,825,205,336.35
  5. Step 5: Solve for x
    x = 9,825,205,336.35/145,001.26
  6. Step 6: Final answer
    x = 67,759.45

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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.