Home / 189,444.20-284,172.42-99,464.13

Finding the Fourth Proportional to 189,444.20, 284,172.42 and 99,464.13

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Solution

The fourth proportional to 189,444.20, 284,172.42 and 99,464.13 is: 149,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,444.20 : 284,172.42 = 99,464.13 : x
  2. Step 2: Convert to fraction form
    189,444.20/284,172.42 = 99,464.13/x
  3. Step 3: Cross multiply
    189,444.20x = 284,172.42 × 99,464.13
  4. Step 4: Simplify right side
    189,444.20x = 28,264,962,525.29
  5. Step 5: Solve for x
    x = 28,264,962,525.29/189,444.20
  6. Step 6: Final answer
    x = 149,199.41

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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.