Home / 155,439.23-214,506.12-88,371.23

Finding the Fourth Proportional to 155,439.23, 214,506.12 and 88,371.23

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Solution

The fourth proportional to 155,439.23, 214,506.12 and 88,371.23 is: 121,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,439.23 : 214,506.12 = 88,371.23 : x
  2. Step 2: Convert to fraction form
    155,439.23/214,506.12 = 88,371.23/x
  3. Step 3: Cross multiply
    155,439.23x = 214,506.12 × 88,371.23
  4. Step 4: Simplify right side
    155,439.23x = 18,956,169,666.93
  5. Step 5: Solve for x
    x = 18,956,169,666.93/155,439.23
  6. Step 6: Final answer
    x = 121,952.29

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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.