Home / 189,718.08-284,740.74-105,562.32

Finding the Fourth Proportional to 189,718.08, 284,740.74 and 105,562.32

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Solution

The fourth proportional to 189,718.08, 284,740.74 and 105,562.32 is: 158,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,718.08 : 284,740.74 = 105,562.32 : x
  2. Step 2: Convert to fraction form
    189,718.08/284,740.74 = 105,562.32/x
  3. Step 3: Cross multiply
    189,718.08x = 284,740.74 × 105,562.32
  4. Step 4: Simplify right side
    189,718.08x = 30,057,893,112.92
  5. Step 5: Solve for x
    x = 30,057,893,112.92/189,718.08
  6. Step 6: Final answer
    x = 158,434.52

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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.