Home / 148,371.02-204,719.64-87,911.46

Finding the Fourth Proportional to 148,371.02, 204,719.64 and 87,911.46

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Solution

The fourth proportional to 148,371.02, 204,719.64 and 87,911.46 is: 121,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,371.02 : 204,719.64 = 87,911.46 : x
  2. Step 2: Convert to fraction form
    148,371.02/204,719.64 = 87,911.46/x
  3. Step 3: Cross multiply
    148,371.02x = 204,719.64 × 87,911.46
  4. Step 4: Simplify right side
    148,371.02x = 17,997,202,443.07
  5. Step 5: Solve for x
    x = 17,997,202,443.07/148,371.02
  6. Step 6: Final answer
    x = 121,298.64

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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.