Home / 92,966.42-128,294.54-55,233.38

Finding the Fourth Proportional to 92,966.42, 128,294.54 and 55,233.38

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Solution

The fourth proportional to 92,966.42, 128,294.54 and 55,233.38 is: 76,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,966.42 : 128,294.54 = 55,233.38 : x
  2. Step 2: Convert to fraction form
    92,966.42/128,294.54 = 55,233.38/x
  3. Step 3: Cross multiply
    92,966.42x = 128,294.54 × 55,233.38
  4. Step 4: Simplify right side
    92,966.42x = 7,086,140,162.11
  5. Step 5: Solve for x
    x = 7,086,140,162.11/92,966.42
  6. Step 6: Final answer
    x = 76,222.58

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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.