Home / 144,003.40-216,005.10-108,521.80

Finding the Fourth Proportional to 144,003.40, 216,005.10 and 108,521.80

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Solution

The fourth proportional to 144,003.40, 216,005.10 and 108,521.80 is: 162,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,003.40 : 216,005.10 = 108,521.80 : x
  2. Step 2: Convert to fraction form
    144,003.40/216,005.10 = 108,521.80/x
  3. Step 3: Cross multiply
    144,003.40x = 216,005.10 × 108,521.80
  4. Step 4: Simplify right side
    144,003.40x = 23,441,262,261.18
  5. Step 5: Solve for x
    x = 23,441,262,261.18/144,003.40
  6. Step 6: Final answer
    x = 162,782.70

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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.