Home / 122,087.80-183,261.12-108,138.34

Finding the Fourth Proportional to 122,087.80, 183,261.12 and 108,138.34

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Solution

The fourth proportional to 122,087.80, 183,261.12 and 108,138.34 is: 162,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,087.80 : 183,261.12 = 108,138.34 : x
  2. Step 2: Convert to fraction form
    122,087.80/183,261.12 = 108,138.34/x
  3. Step 3: Cross multiply
    122,087.80x = 183,261.12 × 108,138.34
  4. Step 4: Simplify right side
    122,087.80x = 19,817,553,303.34
  5. Step 5: Solve for x
    x = 19,817,553,303.34/122,087.80
  6. Step 6: Final answer
    x = 162,322.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.