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Finding the Fourth Proportional to 160,559.42, 221,569.22 and 88,937.93

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Solution

The fourth proportional to 160,559.42, 221,569.22 and 88,937.93 is: 122,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,559.42 : 221,569.22 = 88,937.93 : x
  2. Step 2: Convert to fraction form
    160,559.42/221,569.22 = 88,937.93/x
  3. Step 3: Cross multiply
    160,559.42x = 221,569.22 × 88,937.93
  4. Step 4: Simplify right side
    160,559.42x = 19,705,908,554.78
  5. Step 5: Solve for x
    x = 19,705,908,554.78/160,559.42
  6. Step 6: Final answer
    x = 122,732.81

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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.