Home / 254,706.48-382,037.70-86,223.21

Finding the Fourth Proportional to 254,706.48, 382,037.70 and 86,223.21

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Solution

The fourth proportional to 254,706.48, 382,037.70 and 86,223.21 is: 129,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,706.48 : 382,037.70 = 86,223.21 : x
  2. Step 2: Convert to fraction form
    254,706.48/382,037.70 = 86,223.21/x
  3. Step 3: Cross multiply
    254,706.48x = 382,037.70 × 86,223.21
  4. Step 4: Simplify right side
    254,706.48x = 32,940,516,835.02
  5. Step 5: Solve for x
    x = 32,940,516,835.02/254,706.48
  6. Step 6: Final answer
    x = 129,327.36

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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.