Home / 113,973.62-157,266.97-71,545.82

Finding the Fourth Proportional to 113,973.62, 157,266.97 and 71,545.82

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Solution

The fourth proportional to 113,973.62, 157,266.97 and 71,545.82 is: 98,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,973.62 : 157,266.97 = 71,545.82 : x
  2. Step 2: Convert to fraction form
    113,973.62/157,266.97 = 71,545.82/x
  3. Step 3: Cross multiply
    113,973.62x = 157,266.97 × 71,545.82
  4. Step 4: Simplify right side
    113,973.62x = 11,251,793,362.37
  5. Step 5: Solve for x
    x = 11,251,793,362.37/113,973.62
  6. Step 6: Final answer
    x = 98,722.79

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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.