Home / 109,218.92-150,726.96-61,475.36

Finding the Fourth Proportional to 109,218.92, 150,726.96 and 61,475.36

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Solution

The fourth proportional to 109,218.92, 150,726.96 and 61,475.36 is: 84,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,218.92 : 150,726.96 = 61,475.36 : x
  2. Step 2: Convert to fraction form
    109,218.92/150,726.96 = 61,475.36/x
  3. Step 3: Cross multiply
    109,218.92x = 150,726.96 × 61,475.36
  4. Step 4: Simplify right side
    109,218.92x = 9,265,994,127.71
  5. Step 5: Solve for x
    x = 9,265,994,127.71/109,218.92
  6. Step 6: Final answer
    x = 84,838.73

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1.5x scale

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.