Home / 215,904.54-297,948.75-120,417.38

Finding the Fourth Proportional to 215,904.54, 297,948.75 and 120,417.38

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Solution

The fourth proportional to 215,904.54, 297,948.75 and 120,417.38 is: 166,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,904.54 : 297,948.75 = 120,417.38 : x
  2. Step 2: Convert to fraction form
    215,904.54/297,948.75 = 120,417.38/x
  3. Step 3: Cross multiply
    215,904.54x = 297,948.75 × 120,417.38
  4. Step 4: Simplify right side
    215,904.54x = 35,878,209,717.26
  5. Step 5: Solve for x
    x = 35,878,209,717.26/215,904.54
  6. Step 6: Final answer
    x = 166,176.26

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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.