Home / 124,281.32-171,508.58-73,979.88

Finding the Fourth Proportional to 124,281.32, 171,508.58 and 73,979.88

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Solution

The fourth proportional to 124,281.32, 171,508.58 and 73,979.88 is: 102,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,281.32 : 171,508.58 = 73,979.88 : x
  2. Step 2: Convert to fraction form
    124,281.32/171,508.58 = 73,979.88/x
  3. Step 3: Cross multiply
    124,281.32x = 171,508.58 × 73,979.88
  4. Step 4: Simplify right side
    124,281.32x = 12,688,184,167.37
  5. Step 5: Solve for x
    x = 12,688,184,167.37/124,281.32
  6. Step 6: Final answer
    x = 102,092.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.