Home / 122,281.35-183,474.78-66,160.98

Finding the Fourth Proportional to 122,281.35, 183,474.78 and 66,160.98

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Solution

The fourth proportional to 122,281.35, 183,474.78 and 66,160.98 is: 99,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,281.35 : 183,474.78 = 66,160.98 : x
  2. Step 2: Convert to fraction form
    122,281.35/183,474.78 = 66,160.98/x
  3. Step 3: Cross multiply
    122,281.35x = 183,474.78 × 66,160.98
  4. Step 4: Simplify right side
    122,281.35x = 12,138,871,250.08
  5. Step 5: Solve for x
    x = 12,138,871,250.08/122,281.35
  6. Step 6: Final answer
    x = 99,270.01

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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.