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Finding the Fourth Proportional to 159,362.16, 220,069.08 and 99,849.84

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Solution

The fourth proportional to 159,362.16, 220,069.08 and 99,849.84 is: 137,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,362.16 : 220,069.08 = 99,849.84 : x
  2. Step 2: Convert to fraction form
    159,362.16/220,069.08 = 99,849.84/x
  3. Step 3: Cross multiply
    159,362.16x = 220,069.08 × 99,849.84
  4. Step 4: Simplify right side
    159,362.16x = 21,973,862,426.95
  5. Step 5: Solve for x
    x = 21,973,862,426.95/159,362.16
  6. Step 6: Final answer
    x = 137,886.32

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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.