Home / 102,316.98-141,178.70-56,993.84

Finding the Fourth Proportional to 102,316.98, 141,178.70 and 56,993.84

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Solution

The fourth proportional to 102,316.98, 141,178.70 and 56,993.84 is: 78,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,316.98 : 141,178.70 = 56,993.84 : x
  2. Step 2: Convert to fraction form
    102,316.98/141,178.70 = 56,993.84/x
  3. Step 3: Cross multiply
    102,316.98x = 141,178.70 × 56,993.84
  4. Step 4: Simplify right side
    102,316.98x = 8,046,315,487.56
  5. Step 5: Solve for x
    x = 8,046,315,487.56/102,316.98
  6. Step 6: Final answer
    x = 78,641.06

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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.