Home / 115,130.34-158,869.08-84,932.42

Finding the Fourth Proportional to 115,130.34, 158,869.08 and 84,932.42

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Solution

The fourth proportional to 115,130.34, 158,869.08 and 84,932.42 is: 117,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,130.34 : 158,869.08 = 84,932.42 : x
  2. Step 2: Convert to fraction form
    115,130.34/158,869.08 = 84,932.42/x
  3. Step 3: Cross multiply
    115,130.34x = 158,869.08 × 84,932.42
  4. Step 4: Simplify right side
    115,130.34x = 13,493,134,633.23
  5. Step 5: Solve for x
    x = 13,493,134,633.23/115,130.34
  6. Step 6: Final answer
    x = 117,198.77

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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.