Home / 152,401.86-228,519.45-121,013.55

Finding the Fourth Proportional to 152,401.86, 228,519.45 and 121,013.55

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Solution

The fourth proportional to 152,401.86, 228,519.45 and 121,013.55 is: 181,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,401.86 : 228,519.45 = 121,013.55 : x
  2. Step 2: Convert to fraction form
    152,401.86/228,519.45 = 121,013.55/x
  3. Step 3: Cross multiply
    152,401.86x = 228,519.45 × 121,013.55
  4. Step 4: Simplify right side
    152,401.86x = 27,653,949,888.55
  5. Step 5: Solve for x
    x = 27,653,949,888.55/152,401.86
  6. Step 6: Final answer
    x = 181,454.15

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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.