Home / 102,218.34-141,060.21-56,895.60

Finding the Fourth Proportional to 102,218.34, 141,060.21 and 56,895.60

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Solution

The fourth proportional to 102,218.34, 141,060.21 and 56,895.60 is: 78,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,218.34 : 141,060.21 = 56,895.60 : x
  2. Step 2: Convert to fraction form
    102,218.34/141,060.21 = 56,895.60/x
  3. Step 3: Cross multiply
    102,218.34x = 141,060.21 × 56,895.60
  4. Step 4: Simplify right side
    102,218.34x = 8,025,705,284.08
  5. Step 5: Solve for x
    x = 8,025,705,284.08/102,218.34
  6. Step 6: Final answer
    x = 78,515.32

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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.