Home / 106,395.47-159,616.55-31,521.47

Finding the Fourth Proportional to 106,395.47, 159,616.55 and 31,521.47

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Solution

The fourth proportional to 106,395.47, 159,616.55 and 31,521.47 is: 47,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,395.47 : 159,616.55 = 31,521.47 : x
  2. Step 2: Convert to fraction form
    106,395.47/159,616.55 = 31,521.47/x
  3. Step 3: Cross multiply
    106,395.47x = 159,616.55 × 31,521.47
  4. Step 4: Simplify right side
    106,395.47x = 5,031,348,292.33
  5. Step 5: Solve for x
    x = 5,031,348,292.33/106,395.47
  6. Step 6: Final answer
    x = 47,289.12

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1.5x scale

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.