Home / 123,014.40-184,521.60-66,881.40

Finding the Fourth Proportional to 123,014.40, 184,521.60 and 66,881.40

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Solution

The fourth proportional to 123,014.40, 184,521.60 and 66,881.40 is: 100,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,014.40 : 184,521.60 = 66,881.40 : x
  2. Step 2: Convert to fraction form
    123,014.40/184,521.60 = 66,881.40/x
  3. Step 3: Cross multiply
    123,014.40x = 184,521.60 × 66,881.40
  4. Step 4: Simplify right side
    123,014.40x = 12,341,062,938.24
  5. Step 5: Solve for x
    x = 12,341,062,938.24/123,014.40
  6. Step 6: Final answer
    x = 100,322.10

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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.