Home / 272,029.79-375,005.45-190,103.69

Finding the Fourth Proportional to 272,029.79, 375,005.45 and 190,103.69

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Solution

The fourth proportional to 272,029.79, 375,005.45 and 190,103.69 is: 262,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,029.79 : 375,005.45 = 190,103.69 : x
  2. Step 2: Convert to fraction form
    272,029.79/375,005.45 = 190,103.69/x
  3. Step 3: Cross multiply
    272,029.79x = 375,005.45 × 190,103.69
  4. Step 4: Simplify right side
    272,029.79x = 71,289,919,352.86
  5. Step 5: Solve for x
    x = 71,289,919,352.86/272,029.79
  6. Step 6: Final answer
    x = 262,066.59

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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.