Home / 97,700.28-134,818.74-57,415.56

Finding the Fourth Proportional to 97,700.28, 134,818.74 and 57,415.56

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Solution

The fourth proportional to 97,700.28, 134,818.74 and 57,415.56 is: 79,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,700.28 : 134,818.74 = 57,415.56 : x
  2. Step 2: Convert to fraction form
    97,700.28/134,818.74 = 57,415.56/x
  3. Step 3: Cross multiply
    97,700.28x = 134,818.74 × 57,415.56
  4. Step 4: Simplify right side
    97,700.28x = 7,740,693,455.59
  5. Step 5: Solve for x
    x = 7,740,693,455.59/97,700.28
  6. Step 6: Final answer
    x = 79,228.98

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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.