Home / 152,386.92-228,994.29-81,359.24

Finding the Fourth Proportional to 152,386.92, 228,994.29 and 81,359.24

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Solution

The fourth proportional to 152,386.92, 228,994.29 and 81,359.24 is: 122,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,386.92 : 228,994.29 = 81,359.24 : x
  2. Step 2: Convert to fraction form
    152,386.92/228,994.29 = 81,359.24/x
  3. Step 3: Cross multiply
    152,386.92x = 228,994.29 × 81,359.24
  4. Step 4: Simplify right side
    152,386.92x = 18,630,800,253.77
  5. Step 5: Solve for x
    x = 18,630,800,253.77/152,386.92
  6. Step 6: Final answer
    x = 122,259.84

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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.