Home / 144,440.40-216,660.60-143,518.80

Finding the Fourth Proportional to 144,440.40, 216,660.60 and 143,518.80

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Solution

The fourth proportional to 144,440.40, 216,660.60 and 143,518.80 is: 215,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.40 : 216,660.60 = 143,518.80 : x
  2. Step 2: Convert to fraction form
    144,440.40/216,660.60 = 143,518.80/x
  3. Step 3: Cross multiply
    144,440.40x = 216,660.60 × 143,518.80
  4. Step 4: Simplify right side
    144,440.40x = 31,094,869,319.28
  5. Step 5: Solve for x
    x = 31,094,869,319.28/144,440.40
  6. Step 6: Final answer
    x = 215,278.20

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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.