Home / 259,092.43-388,638.63-101,210.15

Finding the Fourth Proportional to 259,092.43, 388,638.63 and 101,210.15

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Solution

The fourth proportional to 259,092.43, 388,638.63 and 101,210.15 is: 151,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,092.43 : 388,638.63 = 101,210.15 : x
  2. Step 2: Convert to fraction form
    259,092.43/388,638.63 = 101,210.15/x
  3. Step 3: Cross multiply
    259,092.43x = 388,638.63 × 101,210.15
  4. Step 4: Simplify right side
    259,092.43x = 39,334,174,038.09
  5. Step 5: Solve for x
    x = 39,334,174,038.09/259,092.43
  6. Step 6: Final answer
    x = 151,815.22

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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.