Home / 358,143.12-537,233.83-91,905.93

Finding the Fourth Proportional to 358,143.12, 537,233.83 and 91,905.93

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Solution

The fourth proportional to 358,143.12, 537,233.83 and 91,905.93 is: 137,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,143.12 : 537,233.83 = 91,905.93 : x
  2. Step 2: Convert to fraction form
    358,143.12/537,233.83 = 91,905.93/x
  3. Step 3: Cross multiply
    358,143.12x = 537,233.83 × 91,905.93
  4. Step 4: Simplify right side
    358,143.12x = 49,374,974,543.85
  5. Step 5: Solve for x
    x = 49,374,974,543.85/358,143.12
  6. Step 6: Final answer
    x = 137,863.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.