Home / 155,594.32-214,268.32-135,167.04

Finding the Fourth Proportional to 155,594.32, 214,268.32 and 135,167.04

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Solution

The fourth proportional to 155,594.32, 214,268.32 and 135,167.04 is: 186,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,594.32 : 214,268.32 = 135,167.04 : x
  2. Step 2: Convert to fraction form
    155,594.32/214,268.32 = 135,167.04/x
  3. Step 3: Cross multiply
    155,594.32x = 214,268.32 × 135,167.04
  4. Step 4: Simplify right side
    155,594.32x = 28,962,014,580.17
  5. Step 5: Solve for x
    x = 28,962,014,580.17/155,594.32
  6. Step 6: Final answer
    x = 186,137.99

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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.