Home / 255,236.02-382,895.54-86,771.41

Finding the Fourth Proportional to 255,236.02, 382,895.54 and 86,771.41

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Solution

The fourth proportional to 255,236.02, 382,895.54 and 86,771.41 is: 130,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,236.02 : 382,895.54 = 86,771.41 : x
  2. Step 2: Convert to fraction form
    255,236.02/382,895.54 = 86,771.41/x
  3. Step 3: Cross multiply
    255,236.02x = 382,895.54 × 86,771.41
  4. Step 4: Simplify right side
    255,236.02x = 33,224,384,822.81
  5. Step 5: Solve for x
    x = 33,224,384,822.81/255,236.02
  6. Step 6: Final answer
    x = 130,171.22

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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.