Home / 105,689.28-158,556.48-30,810.24

Finding the Fourth Proportional to 105,689.28, 158,556.48 and 30,810.24

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Solution

The fourth proportional to 105,689.28, 158,556.48 and 30,810.24 is: 46,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,689.28 : 158,556.48 = 30,810.24 : x
  2. Step 2: Convert to fraction form
    105,689.28/158,556.48 = 30,810.24/x
  3. Step 3: Cross multiply
    105,689.28x = 158,556.48 × 30,810.24
  4. Step 4: Simplify right side
    105,689.28x = 4,885,163,202.36
  5. Step 5: Solve for x
    x = 4,885,163,202.36/105,689.28
  6. Step 6: Final answer
    x = 46,221.94

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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.