Home / 144,617.20-217,444.20-121,807.60

Finding the Fourth Proportional to 144,617.20, 217,444.20 and 121,807.60

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Solution

The fourth proportional to 144,617.20, 217,444.20 and 121,807.60 is: 183,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,617.20 : 217,444.20 = 121,807.60 : x
  2. Step 2: Convert to fraction form
    144,617.20/217,444.20 = 121,807.60/x
  3. Step 3: Cross multiply
    144,617.20x = 217,444.20 × 121,807.60
  4. Step 4: Simplify right side
    144,617.20x = 26,486,356,135.92
  5. Step 5: Solve for x
    x = 26,486,356,135.92/144,617.20
  6. Step 6: Final answer
    x = 183,148.04

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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.