Home / 122,271.30-183,459.78-66,150.90

Finding the Fourth Proportional to 122,271.30, 183,459.78 and 66,150.90

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Solution

The fourth proportional to 122,271.30, 183,459.78 and 66,150.90 is: 99,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,271.30 : 183,459.78 = 66,150.90 : x
  2. Step 2: Convert to fraction form
    122,271.30/183,459.78 = 66,150.90/x
  3. Step 3: Cross multiply
    122,271.30x = 183,459.78 × 66,150.90
  4. Step 4: Simplify right side
    122,271.30x = 12,136,029,560.80
  5. Step 5: Solve for x
    x = 12,136,029,560.80/122,271.30
  6. Step 6: Final answer
    x = 99,254.93

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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.