Home / 159,328.22-219,875.70-91,356.26

Finding the Fourth Proportional to 159,328.22, 219,875.70 and 91,356.26

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Solution

The fourth proportional to 159,328.22, 219,875.70 and 91,356.26 is: 126,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,328.22 : 219,875.70 = 91,356.26 : x
  2. Step 2: Convert to fraction form
    159,328.22/219,875.70 = 91,356.26/x
  3. Step 3: Cross multiply
    159,328.22x = 219,875.70 × 91,356.26
  4. Step 4: Simplify right side
    159,328.22x = 20,087,021,616.88
  5. Step 5: Solve for x
    x = 20,087,021,616.88/159,328.22
  6. Step 6: Final answer
    x = 126,073.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.