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Finding the Fourth Proportional to 155,325.34, 214,347.87 and 88,257.34

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Solution

The fourth proportional to 155,325.34, 214,347.87 and 88,257.34 is: 121,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,325.34 : 214,347.87 = 88,257.34 : x
  2. Step 2: Convert to fraction form
    155,325.34/214,347.87 = 88,257.34/x
  3. Step 3: Cross multiply
    155,325.34x = 214,347.87 × 88,257.34
  4. Step 4: Simplify right side
    155,325.34x = 18,917,772,840.87
  5. Step 5: Solve for x
    x = 18,917,772,840.87/155,325.34
  6. Step 6: Final answer
    x = 121,794.50

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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.