Home / 102,320.46-141,201.84-56,998.98

Finding the Fourth Proportional to 102,320.46, 141,201.84 and 56,998.98

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Solution

The fourth proportional to 102,320.46, 141,201.84 and 56,998.98 is: 78,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,320.46 : 141,201.84 = 56,998.98 : x
  2. Step 2: Convert to fraction form
    102,320.46/141,201.84 = 56,998.98/x
  3. Step 3: Cross multiply
    102,320.46x = 141,201.84 × 56,998.98
  4. Step 4: Simplify right side
    102,320.46x = 8,048,360,854.12
  5. Step 5: Solve for x
    x = 8,048,360,854.12/102,320.46
  6. Step 6: Final answer
    x = 78,658.37

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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.