Home / 102,206.30-141,032.90-59,186.61

Finding the Fourth Proportional to 102,206.30, 141,032.90 and 59,186.61

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Solution

The fourth proportional to 102,206.30, 141,032.90 and 59,186.61 is: 81,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,206.30 : 141,032.90 = 59,186.61 : x
  2. Step 2: Convert to fraction form
    102,206.30/141,032.90 = 59,186.61/x
  3. Step 3: Cross multiply
    102,206.30x = 141,032.90 × 59,186.61
  4. Step 4: Simplify right side
    102,206.30x = 8,347,258,953.54
  5. Step 5: Solve for x
    x = 8,347,258,953.54/102,206.30
  6. Step 6: Final answer
    x = 81,670.69

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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.