Home / 123,088.40-184,632.60-67,101.20

Finding the Fourth Proportional to 123,088.40, 184,632.60 and 67,101.20

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Solution

The fourth proportional to 123,088.40, 184,632.60 and 67,101.20 is: 100,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,088.40 : 184,632.60 = 67,101.20 : x
  2. Step 2: Convert to fraction form
    123,088.40/184,632.60 = 67,101.20/x
  3. Step 3: Cross multiply
    123,088.40x = 184,632.60 × 67,101.20
  4. Step 4: Simplify right side
    123,088.40x = 12,389,069,019.12
  5. Step 5: Solve for x
    x = 12,389,069,019.12/123,088.40
  6. Step 6: Final answer
    x = 100,651.80

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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.