Home / 102,729.32-141,810.14-62,455.94

Finding the Fourth Proportional to 102,729.32, 141,810.14 and 62,455.94

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Solution

The fourth proportional to 102,729.32, 141,810.14 and 62,455.94 is: 86,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,729.32 : 141,810.14 = 62,455.94 : x
  2. Step 2: Convert to fraction form
    102,729.32/141,810.14 = 62,455.94/x
  3. Step 3: Cross multiply
    102,729.32x = 141,810.14 × 62,455.94
  4. Step 4: Simplify right side
    102,729.32x = 8,856,885,595.23
  5. Step 5: Solve for x
    x = 8,856,885,595.23/102,729.32
  6. Step 6: Final answer
    x = 86,215.75

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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.