Home / 106,782.89-160,172.17-31,903.25

Finding the Fourth Proportional to 106,782.89, 160,172.17 and 31,903.25

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Solution

The fourth proportional to 106,782.89, 160,172.17 and 31,903.25 is: 47,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,782.89 : 160,172.17 = 31,903.25 : x
  2. Step 2: Convert to fraction form
    106,782.89/160,172.17 = 31,903.25/x
  3. Step 3: Cross multiply
    106,782.89x = 160,172.17 × 31,903.25
  4. Step 4: Simplify right side
    106,782.89x = 5,110,011,901.93
  5. Step 5: Solve for x
    x = 5,110,011,901.93/106,782.89
  6. Step 6: Final answer
    x = 47,854.22

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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.