Home / 272,353.13-375,847.31-153,121.13

Finding the Fourth Proportional to 272,353.13, 375,847.31 and 153,121.13

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Solution

The fourth proportional to 272,353.13, 375,847.31 and 153,121.13 is: 211,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,353.13 : 375,847.31 = 153,121.13 : x
  2. Step 2: Convert to fraction form
    272,353.13/375,847.31 = 153,121.13/x
  3. Step 3: Cross multiply
    272,353.13x = 375,847.31 × 153,121.13
  4. Step 4: Simplify right side
    272,353.13x = 57,550,164,814.66
  5. Step 5: Solve for x
    x = 57,550,164,814.66/272,353.13
  6. Step 6: Final answer
    x = 211,307.15

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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.