Home / 136,389.49-204,583.83-61,421.86

Finding the Fourth Proportional to 136,389.49, 204,583.83 and 61,421.86

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Solution

The fourth proportional to 136,389.49, 204,583.83 and 61,421.86 is: 92,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,389.49 : 204,583.83 = 61,421.86 : x
  2. Step 2: Convert to fraction form
    136,389.49/204,583.83 = 61,421.86/x
  3. Step 3: Cross multiply
    136,389.49x = 204,583.83 × 61,421.86
  4. Step 4: Simplify right side
    136,389.49x = 12,565,919,364.52
  5. Step 5: Solve for x
    x = 12,565,919,364.52/136,389.49
  6. Step 6: Final answer
    x = 92,132.61

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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.