Home / 175,640.64-242,384.48-100,187.20

Finding the Fourth Proportional to 175,640.64, 242,384.48 and 100,187.20

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Solution

The fourth proportional to 175,640.64, 242,384.48 and 100,187.20 is: 138,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,640.64 : 242,384.48 = 100,187.20 : x
  2. Step 2: Convert to fraction form
    175,640.64/242,384.48 = 100,187.20/x
  3. Step 3: Cross multiply
    175,640.64x = 242,384.48 × 100,187.20
  4. Step 4: Simplify right side
    175,640.64x = 24,283,822,374.66
  5. Step 5: Solve for x
    x = 24,283,822,374.66/175,640.64
  6. Step 6: Final answer
    x = 138,258.56

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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.