Home / 189,416.86-284,041.59-71,005.14

Finding the Fourth Proportional to 189,416.86, 284,041.59 and 71,005.14

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Solution

The fourth proportional to 189,416.86, 284,041.59 and 71,005.14 is: 106,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,416.86 : 284,041.59 = 71,005.14 : x
  2. Step 2: Convert to fraction form
    189,416.86/284,041.59 = 71,005.14/x
  3. Step 3: Cross multiply
    189,416.86x = 284,041.59 × 71,005.14
  4. Step 4: Simplify right side
    189,416.86x = 20,168,412,863.77
  5. Step 5: Solve for x
    x = 20,168,412,863.77/189,416.86
  6. Step 6: Final answer
    x = 106,476.33

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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.