Home / 144,019.22-216,028.85-38,838.20

Finding the Fourth Proportional to 144,019.22, 216,028.85 and 38,838.20

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Solution

The fourth proportional to 144,019.22, 216,028.85 and 38,838.20 is: 58,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,019.22 : 216,028.85 = 38,838.20 : x
  2. Step 2: Convert to fraction form
    144,019.22/216,028.85 = 38,838.20/x
  3. Step 3: Cross multiply
    144,019.22x = 216,028.85 × 38,838.20
  4. Step 4: Simplify right side
    144,019.22x = 8,390,171,682.07
  5. Step 5: Solve for x
    x = 8,390,171,682.07/144,019.22
  6. Step 6: Final answer
    x = 58,257.31

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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.