Home / 152,775.63-229,169.65-72,772.47

Finding the Fourth Proportional to 152,775.63, 229,169.65 and 72,772.47

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Solution

The fourth proportional to 152,775.63, 229,169.65 and 72,772.47 is: 109,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,775.63 : 229,169.65 = 72,772.47 : x
  2. Step 2: Convert to fraction form
    152,775.63/229,169.65 = 72,772.47/x
  3. Step 3: Cross multiply
    152,775.63x = 229,169.65 × 72,772.47
  4. Step 4: Simplify right side
    152,775.63x = 16,677,241,479.54
  5. Step 5: Solve for x
    x = 16,677,241,479.54/152,775.63
  6. Step 6: Final answer
    x = 109,161.66

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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.