Home / 109,319.63-150,871.82-63,994.86

Finding the Fourth Proportional to 109,319.63, 150,871.82 and 63,994.86

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Solution

The fourth proportional to 109,319.63, 150,871.82 and 63,994.86 is: 88,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.63 : 150,871.82 = 63,994.86 : x
  2. Step 2: Convert to fraction form
    109,319.63/150,871.82 = 63,994.86/x
  3. Step 3: Cross multiply
    109,319.63x = 150,871.82 × 63,994.86
  4. Step 4: Simplify right side
    109,319.63x = 9,655,020,678.87
  5. Step 5: Solve for x
    x = 9,655,020,678.87/109,319.63
  6. Step 6: Final answer
    x = 88,319.19

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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.