Home / 109,278.64-150,792.06-61,530.76

Finding the Fourth Proportional to 109,278.64, 150,792.06 and 61,530.76

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Solution

The fourth proportional to 109,278.64, 150,792.06 and 61,530.76 is: 84,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,278.64 : 150,792.06 = 61,530.76 : x
  2. Step 2: Convert to fraction form
    109,278.64/150,792.06 = 61,530.76/x
  3. Step 3: Cross multiply
    109,278.64x = 150,792.06 × 61,530.76
  4. Step 4: Simplify right side
    109,278.64x = 9,278,350,053.77
  5. Step 5: Solve for x
    x = 9,278,350,053.77/109,278.64
  6. Step 6: Final answer
    x = 84,905.43

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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.