Home / 189,500.80-284,201.70-56,345.20

Finding the Fourth Proportional to 189,500.80, 284,201.70 and 56,345.20

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Solution

The fourth proportional to 189,500.80, 284,201.70 and 56,345.20 is: 84,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,500.80 : 284,201.70 = 56,345.20 : x
  2. Step 2: Convert to fraction form
    189,500.80/284,201.70 = 56,345.20/x
  3. Step 3: Cross multiply
    189,500.80x = 284,201.70 × 56,345.20
  4. Step 4: Simplify right side
    189,500.80x = 16,013,401,626.84
  5. Step 5: Solve for x
    x = 16,013,401,626.84/189,500.80
  6. Step 6: Final answer
    x = 84,503.08

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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.