Home / 155,853.27-215,077.01-84,233.07

Finding the Fourth Proportional to 155,853.27, 215,077.01 and 84,233.07

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Solution

The fourth proportional to 155,853.27, 215,077.01 and 84,233.07 is: 116,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,853.27 : 215,077.01 = 84,233.07 : x
  2. Step 2: Convert to fraction form
    155,853.27/215,077.01 = 84,233.07/x
  3. Step 3: Cross multiply
    155,853.27x = 215,077.01 × 84,233.07
  4. Step 4: Simplify right side
    155,853.27x = 18,116,596,417.56
  5. Step 5: Solve for x
    x = 18,116,596,417.56/155,853.27
  6. Step 6: Final answer
    x = 116,241.36

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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.