Home / 259,138.47-357,623.28-151,743.12

Finding the Fourth Proportional to 259,138.47, 357,623.28 and 151,743.12

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Solution

The fourth proportional to 259,138.47, 357,623.28 and 151,743.12 is: 209,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,138.47 : 357,623.28 = 151,743.12 : x
  2. Step 2: Convert to fraction form
    259,138.47/357,623.28 = 151,743.12/x
  3. Step 3: Cross multiply
    259,138.47x = 357,623.28 × 151,743.12
  4. Step 4: Simplify right side
    259,138.47x = 54,266,872,291.83
  5. Step 5: Solve for x
    x = 54,266,872,291.83/259,138.47
  6. Step 6: Final answer
    x = 209,412.64

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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.