Home / 152,400.54-228,517.47-121,012.23

Finding the Fourth Proportional to 152,400.54, 228,517.47 and 121,012.23

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Solution

The fourth proportional to 152,400.54, 228,517.47 and 121,012.23 is: 181,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,400.54 : 228,517.47 = 121,012.23 : x
  2. Step 2: Convert to fraction form
    152,400.54/228,517.47 = 121,012.23/x
  3. Step 3: Cross multiply
    152,400.54x = 228,517.47 × 121,012.23
  4. Step 4: Simplify right side
    152,400.54x = 27,653,408,638.66
  5. Step 5: Solve for x
    x = 27,653,408,638.66/152,400.54
  6. Step 6: Final answer
    x = 181,452.17

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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.