Home / 106,503.84-159,728.36-31,606.25

Finding the Fourth Proportional to 106,503.84, 159,728.36 and 31,606.25

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Solution

The fourth proportional to 106,503.84, 159,728.36 and 31,606.25 is: 47,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,503.84 : 159,728.36 = 31,606.25 : x
  2. Step 2: Convert to fraction form
    106,503.84/159,728.36 = 31,606.25/x
  3. Step 3: Cross multiply
    106,503.84x = 159,728.36 × 31,606.25
  4. Step 4: Simplify right side
    106,503.84x = 5,048,413,521.58
  5. Step 5: Solve for x
    x = 5,048,413,521.58/106,503.84
  6. Step 6: Final answer
    x = 47,401.23

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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.