Home / 106,564.80-159,841.68-31,685.64

Finding the Fourth Proportional to 106,564.80, 159,841.68 and 31,685.64

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Solution

The fourth proportional to 106,564.80, 159,841.68 and 31,685.64 is: 47,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,564.80 : 159,841.68 = 31,685.64 : x
  2. Step 2: Convert to fraction form
    106,564.80/159,841.68 = 31,685.64/x
  3. Step 3: Cross multiply
    106,564.80x = 159,841.68 × 31,685.64
  4. Step 4: Simplify right side
    106,564.80x = 5,064,685,929.48
  5. Step 5: Solve for x
    x = 5,064,685,929.48/106,564.80
  6. Step 6: Final answer
    x = 47,526.82

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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.