Home / 109,315.64-150,885.78-64,003.16

Finding the Fourth Proportional to 109,315.64, 150,885.78 and 64,003.16

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Solution

The fourth proportional to 109,315.64, 150,885.78 and 64,003.16 is: 88,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,315.64 : 150,885.78 = 64,003.16 : x
  2. Step 2: Convert to fraction form
    109,315.64/150,885.78 = 64,003.16/x
  3. Step 3: Cross multiply
    109,315.64x = 150,885.78 × 64,003.16
  4. Step 4: Simplify right side
    109,315.64x = 9,657,166,719.06
  5. Step 5: Solve for x
    x = 9,657,166,719.06/109,315.64
  6. Step 6: Final answer
    x = 88,342.04

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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.