Home / 152,424.60-228,248.10-121,320.60

Finding the Fourth Proportional to 152,424.60, 228,248.10 and 121,320.60

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Solution

The fourth proportional to 152,424.60, 228,248.10 and 121,320.60 is: 181,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,424.60 : 228,248.10 = 121,320.60 : x
  2. Step 2: Convert to fraction form
    152,424.60/228,248.10 = 121,320.60/x
  3. Step 3: Cross multiply
    152,424.60x = 228,248.10 × 121,320.60
  4. Step 4: Simplify right side
    152,424.60x = 27,691,196,440.86
  5. Step 5: Solve for x
    x = 27,691,196,440.86/152,424.60
  6. Step 6: Final answer
    x = 181,671.44

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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.