Home / 189,430.55-284,192.60-56,310.24

Finding the Fourth Proportional to 189,430.55, 284,192.60 and 56,310.24

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Solution

The fourth proportional to 189,430.55, 284,192.60 and 56,310.24 is: 84,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,430.55 : 284,192.60 = 56,310.24 : x
  2. Step 2: Convert to fraction form
    189,430.55/284,192.60 = 56,310.24/x
  3. Step 3: Cross multiply
    189,430.55x = 284,192.60 × 56,310.24
  4. Step 4: Simplify right side
    189,430.55x = 16,002,953,014.56
  5. Step 5: Solve for x
    x = 16,002,953,014.56/189,430.55
  6. Step 6: Final answer
    x = 84,479.26

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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.