Home / 155,651.34-215,666.42-152,288.22

Finding the Fourth Proportional to 155,651.34, 215,666.42 and 152,288.22

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Solution

The fourth proportional to 155,651.34, 215,666.42 and 152,288.22 is: 211,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,651.34 : 215,666.42 = 152,288.22 : x
  2. Step 2: Convert to fraction form
    155,651.34/215,666.42 = 152,288.22/x
  3. Step 3: Cross multiply
    155,651.34x = 215,666.42 × 152,288.22
  4. Step 4: Simplify right side
    155,651.34x = 32,843,454,454.13
  5. Step 5: Solve for x
    x = 32,843,454,454.13/155,651.34
  6. Step 6: Final answer
    x = 211,006.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.