Home / 189,501.12-284,316.48-84,393.36

Finding the Fourth Proportional to 189,501.12, 284,316.48 and 84,393.36

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Solution

The fourth proportional to 189,501.12, 284,316.48 and 84,393.36 is: 126,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,501.12 : 284,316.48 = 84,393.36 : x
  2. Step 2: Convert to fraction form
    189,501.12/284,316.48 = 84,393.36/x
  3. Step 3: Cross multiply
    189,501.12x = 284,316.48 × 84,393.36
  4. Step 4: Simplify right side
    189,501.12x = 23,994,423,050.57
  5. Step 5: Solve for x
    x = 23,994,423,050.57/189,501.12
  6. Step 6: Final answer
    x = 126,618.90

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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.