Home / 163,312.79-225,365.82-91,695.83

Finding the Fourth Proportional to 163,312.79, 225,365.82 and 91,695.83

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Solution

The fourth proportional to 163,312.79, 225,365.82 and 91,695.83 is: 126,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312.79 : 225,365.82 = 91,695.83 : x
  2. Step 2: Convert to fraction form
    163,312.79/225,365.82 = 91,695.83/x
  3. Step 3: Cross multiply
    163,312.79x = 225,365.82 × 91,695.83
  4. Step 4: Simplify right side
    163,312.79x = 20,665,104,791.70
  5. Step 5: Solve for x
    x = 20,665,104,791.70/163,312.79
  6. Step 6: Final answer
    x = 126,536.97

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1.5x scale

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.