Home / 109,332.64-164,003.28-30,453.76

Finding the Fourth Proportional to 109,332.64, 164,003.28 and 30,453.76

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Solution

The fourth proportional to 109,332.64, 164,003.28 and 30,453.76 is: 45,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,332.64 : 164,003.28 = 30,453.76 : x
  2. Step 2: Convert to fraction form
    109,332.64/164,003.28 = 30,453.76/x
  3. Step 3: Cross multiply
    109,332.64x = 164,003.28 × 30,453.76
  4. Step 4: Simplify right side
    109,332.64x = 4,994,516,528.33
  5. Step 5: Solve for x
    x = 4,994,516,528.33/109,332.64
  6. Step 6: Final answer
    x = 45,681.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.