Home / 152,887.40-210,997.86-84,917.48

Finding the Fourth Proportional to 152,887.40, 210,997.86 and 84,917.48

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Solution

The fourth proportional to 152,887.40, 210,997.86 and 84,917.48 is: 117,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,887.40 : 210,997.86 = 84,917.48 : x
  2. Step 2: Convert to fraction form
    152,887.40/210,997.86 = 84,917.48/x
  3. Step 3: Cross multiply
    152,887.40x = 210,997.86 × 84,917.48
  4. Step 4: Simplify right side
    152,887.40x = 17,917,406,556.59
  5. Step 5: Solve for x
    x = 17,917,406,556.59/152,887.40
  6. Step 6: Final answer
    x = 117,193.48

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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.