Home / 102,339.14-141,226.79-57,017.00

Finding the Fourth Proportional to 102,339.14, 141,226.79 and 57,017.00

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Solution

The fourth proportional to 102,339.14, 141,226.79 and 57,017.00 is: 78,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,339.14 : 141,226.79 = 57,017.00 : x
  2. Step 2: Convert to fraction form
    102,339.14/141,226.79 = 57,017.00/x
  3. Step 3: Cross multiply
    102,339.14x = 141,226.79 × 57,017.00
  4. Step 4: Simplify right side
    102,339.14x = 8,052,326,894.21
  5. Step 5: Solve for x
    x = 8,052,326,894.21/102,339.14
  6. Step 6: Final answer
    x = 78,682.77

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1.5x scale

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.