Home / 155,289.82-214,434.39-147,318.16

Finding the Fourth Proportional to 155,289.82, 214,434.39 and 147,318.16

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Solution

The fourth proportional to 155,289.82, 214,434.39 and 147,318.16 is: 203,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,289.82 : 214,434.39 = 147,318.16 : x
  2. Step 2: Convert to fraction form
    155,289.82/214,434.39 = 147,318.16/x
  3. Step 3: Cross multiply
    155,289.82x = 214,434.39 × 147,318.16
  4. Step 4: Simplify right side
    155,289.82x = 31,590,079,775.52
  5. Step 5: Solve for x
    x = 31,590,079,775.52/155,289.82
  6. Step 6: Final answer
    x = 203,426.60

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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.