Home / 134,848.70-202,273.05-72,640.70

Finding the Fourth Proportional to 134,848.70, 202,273.05 and 72,640.70

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Solution

The fourth proportional to 134,848.70, 202,273.05 and 72,640.70 is: 108,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,848.70 : 202,273.05 = 72,640.70 : x
  2. Step 2: Convert to fraction form
    134,848.70/202,273.05 = 72,640.70/x
  3. Step 3: Cross multiply
    134,848.70x = 202,273.05 × 72,640.70
  4. Step 4: Simplify right side
    134,848.70x = 14,693,255,943.14
  5. Step 5: Solve for x
    x = 14,693,255,943.14/134,848.70
  6. Step 6: Final answer
    x = 108,961.05

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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.