Home / 144,351.70-199,231.08-87,001.27

Finding the Fourth Proportional to 144,351.70, 199,231.08 and 87,001.27

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Solution

The fourth proportional to 144,351.70, 199,231.08 and 87,001.27 is: 120,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,351.70 : 199,231.08 = 87,001.27 : x
  2. Step 2: Convert to fraction form
    144,351.70/199,231.08 = 87,001.27/x
  3. Step 3: Cross multiply
    144,351.70x = 199,231.08 × 87,001.27
  4. Step 4: Simplify right side
    144,351.70x = 17,333,356,159.14
  5. Step 5: Solve for x
    x = 17,333,356,159.14/144,351.70
  6. Step 6: Final answer
    x = 120,077.26

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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.