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Finding the Fourth Proportional to 158,333.63, 218,525.90 and 90,353.46

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Solution

The fourth proportional to 158,333.63, 218,525.90 and 90,353.46 is: 124,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,333.63 : 218,525.90 = 90,353.46 : x
  2. Step 2: Convert to fraction form
    158,333.63/218,525.90 = 90,353.46/x
  3. Step 3: Cross multiply
    158,333.63x = 218,525.90 × 90,353.46
  4. Step 4: Simplify right side
    158,333.63x = 19,744,570,712.85
  5. Step 5: Solve for x
    x = 19,744,570,712.85/158,333.63
  6. Step 6: Final answer
    x = 124,702.32

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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.