Home / 144,937.20-217,416.60-51,430.80

Finding the Fourth Proportional to 144,937.20, 217,416.60 and 51,430.80

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Solution

The fourth proportional to 144,937.20, 217,416.60 and 51,430.80 is: 77,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,937.20 : 217,416.60 = 51,430.80 : x
  2. Step 2: Convert to fraction form
    144,937.20/217,416.60 = 51,430.80/x
  3. Step 3: Cross multiply
    144,937.20x = 217,416.60 × 51,430.80
  4. Step 4: Simplify right side
    144,937.20x = 11,181,909,671.28
  5. Step 5: Solve for x
    x = 11,181,909,671.28/144,937.20
  6. Step 6: Final answer
    x = 77,150.03

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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.