Home / 102,094.08-140,888.32-57,381.76

Finding the Fourth Proportional to 102,094.08, 140,888.32 and 57,381.76

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Solution

The fourth proportional to 102,094.08, 140,888.32 and 57,381.76 is: 79,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,094.08 : 140,888.32 = 57,381.76 : x
  2. Step 2: Convert to fraction form
    102,094.08/140,888.32 = 57,381.76/x
  3. Step 3: Cross multiply
    102,094.08x = 140,888.32 × 57,381.76
  4. Step 4: Simplify right side
    102,094.08x = 8,084,419,765.04
  5. Step 5: Solve for x
    x = 8,084,419,765.04/102,094.08
  6. Step 6: Final answer
    x = 79,185.98

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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.