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Finding the Fourth Proportional to 159,782.82, 220,501.08 and 88,162.92

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Solution

The fourth proportional to 159,782.82, 220,501.08 and 88,162.92 is: 121,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,782.82 : 220,501.08 = 88,162.92 : x
  2. Step 2: Convert to fraction form
    159,782.82/220,501.08 = 88,162.92/x
  3. Step 3: Cross multiply
    159,782.82x = 220,501.08 × 88,162.92
  4. Step 4: Simplify right side
    159,782.82x = 19,440,019,075.95
  5. Step 5: Solve for x
    x = 19,440,019,075.95/159,782.82
  6. Step 6: Final answer
    x = 121,665.26

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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.