Home / 215,533.48-297,445.40-120,040.18

Finding the Fourth Proportional to 215,533.48, 297,445.40 and 120,040.18

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Solution

The fourth proportional to 215,533.48, 297,445.40 and 120,040.18 is: 165,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533.48 : 297,445.40 = 120,040.18 : x
  2. Step 2: Convert to fraction form
    215,533.48/297,445.40 = 120,040.18/x
  3. Step 3: Cross multiply
    215,533.48x = 297,445.40 × 120,040.18
  4. Step 4: Simplify right side
    215,533.48x = 35,705,399,356.17
  5. Step 5: Solve for x
    x = 35,705,399,356.17/215,533.48
  6. Step 6: Final answer
    x = 165,660.57

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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.