Home / 240,032.04-331,264.02-138,090.60

Finding the Fourth Proportional to 240,032.04, 331,264.02 and 138,090.60

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Solution

The fourth proportional to 240,032.04, 331,264.02 and 138,090.60 is: 190,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,032.04 : 331,264.02 = 138,090.60 : x
  2. Step 2: Convert to fraction form
    240,032.04/331,264.02 = 138,090.60/x
  3. Step 3: Cross multiply
    240,032.04x = 331,264.02 × 138,090.60
  4. Step 4: Simplify right side
    240,032.04x = 45,744,447,280.21
  5. Step 5: Solve for x
    x = 45,744,447,280.21/240,032.04
  6. Step 6: Final answer
    x = 190,576.42

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1.5x scale

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.