Home / 152,813.36-229,101.24-72,810.32

Finding the Fourth Proportional to 152,813.36, 229,101.24 and 72,810.32

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Solution

The fourth proportional to 152,813.36, 229,101.24 and 72,810.32 is: 109,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,813.36 : 229,101.24 = 72,810.32 : x
  2. Step 2: Convert to fraction form
    152,813.36/229,101.24 = 72,810.32/x
  3. Step 3: Cross multiply
    152,813.36x = 229,101.24 × 72,810.32
  4. Step 4: Simplify right side
    152,813.36x = 16,680,934,596.80
  5. Step 5: Solve for x
    x = 16,680,934,596.80/152,813.36
  6. Step 6: Final answer
    x = 109,158.88

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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.