Home / 189,377.06-284,054.45-71,038.49

Finding the Fourth Proportional to 189,377.06, 284,054.45 and 71,038.49

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Solution

The fourth proportional to 189,377.06, 284,054.45 and 71,038.49 is: 106,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,377.06 : 284,054.45 = 71,038.49 : x
  2. Step 2: Convert to fraction form
    189,377.06/284,054.45 = 71,038.49/x
  3. Step 3: Cross multiply
    189,377.06x = 284,054.45 × 71,038.49
  4. Step 4: Simplify right side
    189,377.06x = 20,178,797,430.32
  5. Step 5: Solve for x
    x = 20,178,797,430.32/189,377.06
  6. Step 6: Final answer
    x = 106,553.55

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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.