Home / 152,811.36-229,098.24-72,808.32

Finding the Fourth Proportional to 152,811.36, 229,098.24 and 72,808.32

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Solution

The fourth proportional to 152,811.36, 229,098.24 and 72,808.32 is: 109,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,811.36 : 229,098.24 = 72,808.32 : x
  2. Step 2: Convert to fraction form
    152,811.36/229,098.24 = 72,808.32/x
  3. Step 3: Cross multiply
    152,811.36x = 229,098.24 × 72,808.32
  4. Step 4: Simplify right side
    152,811.36x = 16,680,257,969.36
  5. Step 5: Solve for x
    x = 16,680,257,969.36/152,811.36
  6. Step 6: Final answer
    x = 109,155.88

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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.