Home / 152,415.10-228,233.85-121,311.10

Finding the Fourth Proportional to 152,415.10, 228,233.85 and 121,311.10

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Solution

The fourth proportional to 152,415.10, 228,233.85 and 121,311.10 is: 181,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,415.10 : 228,233.85 = 121,311.10 : x
  2. Step 2: Convert to fraction form
    152,415.10/228,233.85 = 121,311.10/x
  3. Step 3: Cross multiply
    152,415.10x = 228,233.85 × 121,311.10
  4. Step 4: Simplify right side
    152,415.10x = 27,687,299,400.74
  5. Step 5: Solve for x
    x = 27,687,299,400.74/152,415.10
  6. Step 6: Final answer
    x = 181,657.19

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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.