Home / 142,674.31-214,027.87-83,510.49

Finding the Fourth Proportional to 142,674.31, 214,027.87 and 83,510.49

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Solution

The fourth proportional to 142,674.31, 214,027.87 and 83,510.49 is: 125,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,674.31 : 214,027.87 = 83,510.49 : x
  2. Step 2: Convert to fraction form
    142,674.31/214,027.87 = 83,510.49/x
  3. Step 3: Cross multiply
    142,674.31x = 214,027.87 × 83,510.49
  4. Step 4: Simplify right side
    142,674.31x = 17,873,572,297.36
  5. Step 5: Solve for x
    x = 17,873,572,297.36/142,674.31
  6. Step 6: Final answer
    x = 125,275.34

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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.