Home / 102,332.21-141,228.83-57,017.57

Finding the Fourth Proportional to 102,332.21, 141,228.83 and 57,017.57

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Solution

The fourth proportional to 102,332.21, 141,228.83 and 57,017.57 is: 78,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,332.21 : 141,228.83 = 57,017.57 : x
  2. Step 2: Convert to fraction form
    102,332.21/141,228.83 = 57,017.57/x
  3. Step 3: Cross multiply
    102,332.21x = 141,228.83 × 57,017.57
  4. Step 4: Simplify right side
    102,332.21x = 8,052,523,709.31
  5. Step 5: Solve for x
    x = 8,052,523,709.31/102,332.21
  6. Step 6: Final answer
    x = 78,690.02

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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.