Home / 123,450.60-170,360.98-66,860.84

Finding the Fourth Proportional to 123,450.60, 170,360.98 and 66,860.84

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Solution

The fourth proportional to 123,450.60, 170,360.98 and 66,860.84 is: 92,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,450.60 : 170,360.98 = 66,860.84 : x
  2. Step 2: Convert to fraction form
    123,450.60/170,360.98 = 66,860.84/x
  3. Step 3: Cross multiply
    123,450.60x = 170,360.98 × 66,860.84
  4. Step 4: Simplify right side
    123,450.60x = 11,390,478,226.02
  5. Step 5: Solve for x
    x = 11,390,478,226.02/123,450.60
  6. Step 6: Final answer
    x = 92,267.50

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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.