Home / 109,828.40-164,742.60-101,955.20

Finding the Fourth Proportional to 109,828.40, 164,742.60 and 101,955.20

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Solution

The fourth proportional to 109,828.40, 164,742.60 and 101,955.20 is: 152,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,828.40 : 164,742.60 = 101,955.20 : x
  2. Step 2: Convert to fraction form
    109,828.40/164,742.60 = 101,955.20/x
  3. Step 3: Cross multiply
    109,828.40x = 164,742.60 × 101,955.20
  4. Step 4: Simplify right side
    109,828.40x = 16,796,364,731.52
  5. Step 5: Solve for x
    x = 16,796,364,731.52/109,828.40
  6. Step 6: Final answer
    x = 152,932.80

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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.