Home / 152,384.60-228,188.10-121,280.60

Finding the Fourth Proportional to 152,384.60, 228,188.10 and 121,280.60

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Solution

The fourth proportional to 152,384.60, 228,188.10 and 121,280.60 is: 181,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,384.60 : 228,188.10 = 121,280.60 : x
  2. Step 2: Convert to fraction form
    152,384.60/228,188.10 = 121,280.60/x
  3. Step 3: Cross multiply
    152,384.60x = 228,188.10 × 121,280.60
  4. Step 4: Simplify right side
    152,384.60x = 27,674,789,680.86
  5. Step 5: Solve for x
    x = 27,674,789,680.86/152,384.60
  6. Step 6: Final answer
    x = 181,611.46

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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.