Home / 97,682.88-134,673.14-70,436.16

Finding the Fourth Proportional to 97,682.88, 134,673.14 and 70,436.16

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Solution

The fourth proportional to 97,682.88, 134,673.14 and 70,436.16 is: 97,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,682.88 : 134,673.14 = 70,436.16 : x
  2. Step 2: Convert to fraction form
    97,682.88/134,673.14 = 70,436.16/x
  3. Step 3: Cross multiply
    97,682.88x = 134,673.14 × 70,436.16
  4. Step 4: Simplify right side
    97,682.88x = 9,485,858,836.74
  5. Step 5: Solve for x
    x = 9,485,858,836.74/97,682.88
  6. Step 6: Final answer
    x = 97,108.71

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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.