Home / 133,065.40-199,598.10-123,005.20

Finding the Fourth Proportional to 133,065.40, 199,598.10 and 123,005.20

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Solution

The fourth proportional to 133,065.40, 199,598.10 and 123,005.20 is: 184,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065.40 : 199,598.10 = 123,005.20 : x
  2. Step 2: Convert to fraction form
    133,065.40/199,598.10 = 123,005.20/x
  3. Step 3: Cross multiply
    133,065.40x = 199,598.10 × 123,005.20
  4. Step 4: Simplify right side
    133,065.40x = 24,551,604,210.12
  5. Step 5: Solve for x
    x = 24,551,604,210.12/133,065.40
  6. Step 6: Final answer
    x = 184,507.80

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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.