Home / 163,423.72-225,500.18-91,790.02

Finding the Fourth Proportional to 163,423.72, 225,500.18 and 91,790.02

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Solution

The fourth proportional to 163,423.72, 225,500.18 and 91,790.02 is: 126,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,423.72 : 225,500.18 = 91,790.02 : x
  2. Step 2: Convert to fraction form
    163,423.72/225,500.18 = 91,790.02/x
  3. Step 3: Cross multiply
    163,423.72x = 225,500.18 × 91,790.02
  4. Step 4: Simplify right side
    163,423.72x = 20,698,666,032.20
  5. Step 5: Solve for x
    x = 20,698,666,032.20/163,423.72
  6. Step 6: Final answer
    x = 126,656.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.