Home / 144,189.04-197,535.66-138,798.22

Finding the Fourth Proportional to 144,189.04, 197,535.66 and 138,798.22

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Solution

The fourth proportional to 144,189.04, 197,535.66 and 138,798.22 is: 190,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,189.04 : 197,535.66 = 138,798.22 : x
  2. Step 2: Convert to fraction form
    144,189.04/197,535.66 = 138,798.22/x
  3. Step 3: Cross multiply
    144,189.04x = 197,535.66 × 138,798.22
  4. Step 4: Simplify right side
    144,189.04x = 27,417,597,006.85
  5. Step 5: Solve for x
    x = 27,417,597,006.85/144,189.04
  6. Step 6: Final answer
    x = 190,150.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.