Home / 154,114.48-212,667.24-87,033.52

Finding the Fourth Proportional to 154,114.48, 212,667.24 and 87,033.52

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Solution

The fourth proportional to 154,114.48, 212,667.24 and 87,033.52 is: 120,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,114.48 : 212,667.24 = 87,033.52 : x
  2. Step 2: Convert to fraction form
    154,114.48/212,667.24 = 87,033.52/x
  3. Step 3: Cross multiply
    154,114.48x = 212,667.24 × 87,033.52
  4. Step 4: Simplify right side
    154,114.48x = 18,509,178,485.88
  5. Step 5: Solve for x
    x = 18,509,178,485.88/154,114.48
  6. Step 6: Final answer
    x = 120,100.19

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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.