Home / 189,904.68-284,455.16-123,146.50

Finding the Fourth Proportional to 189,904.68, 284,455.16 and 123,146.50

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Solution

The fourth proportional to 189,904.68, 284,455.16 and 123,146.50 is: 184,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,904.68 : 284,455.16 = 123,146.50 : x
  2. Step 2: Convert to fraction form
    189,904.68/284,455.16 = 123,146.50/x
  3. Step 3: Cross multiply
    189,904.68x = 284,455.16 × 123,146.50
  4. Step 4: Simplify right side
    189,904.68x = 35,029,657,360.94
  5. Step 5: Solve for x
    x = 35,029,657,360.94/189,904.68
  6. Step 6: Final answer
    x = 184,459.16

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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.