Home / 145,514.18-200,837.14-91,091.64

Finding the Fourth Proportional to 145,514.18, 200,837.14 and 91,091.64

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Solution

The fourth proportional to 145,514.18, 200,837.14 and 91,091.64 is: 125,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514.18 : 200,837.14 = 91,091.64 : x
  2. Step 2: Convert to fraction form
    145,514.18/200,837.14 = 91,091.64/x
  3. Step 3: Cross multiply
    145,514.18x = 200,837.14 × 91,091.64
  4. Step 4: Simplify right side
    145,514.18x = 18,294,584,455.51
  5. Step 5: Solve for x
    x = 18,294,584,455.51/145,514.18
  6. Step 6: Final answer
    x = 125,723.72

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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.