Home / 97,818.12-134,988.26-55,376.28

Finding the Fourth Proportional to 97,818.12, 134,988.26 and 55,376.28

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Solution

The fourth proportional to 97,818.12, 134,988.26 and 55,376.28 is: 76,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,818.12 : 134,988.26 = 55,376.28 : x
  2. Step 2: Convert to fraction form
    97,818.12/134,988.26 = 55,376.28/x
  3. Step 3: Cross multiply
    97,818.12x = 134,988.26 × 55,376.28
  4. Step 4: Simplify right side
    97,818.12x = 7,475,147,682.47
  5. Step 5: Solve for x
    x = 7,475,147,682.47/97,818.12
  6. Step 6: Final answer
    x = 76,418.84

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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.