Home / 97,286.13-134,288.33-57,012.93

Finding the Fourth Proportional to 97,286.13, 134,288.33 and 57,012.93

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Solution

The fourth proportional to 97,286.13, 134,288.33 and 57,012.93 is: 78,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,286.13 : 134,288.33 = 57,012.93 : x
  2. Step 2: Convert to fraction form
    97,286.13/134,288.33 = 57,012.93/x
  3. Step 3: Cross multiply
    97,286.13x = 134,288.33 × 57,012.93
  4. Step 4: Simplify right side
    97,286.13x = 7,656,170,873.04
  5. Step 5: Solve for x
    x = 7,656,170,873.04/97,286.13
  6. Step 6: Final answer
    x = 78,697.46

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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.