Home / 145,723.14-201,107.07-88,402.68

Finding the Fourth Proportional to 145,723.14, 201,107.07 and 88,402.68

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Solution

The fourth proportional to 145,723.14, 201,107.07 and 88,402.68 is: 122,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,723.14 : 201,107.07 = 88,402.68 : x
  2. Step 2: Convert to fraction form
    145,723.14/201,107.07 = 88,402.68/x
  3. Step 3: Cross multiply
    145,723.14x = 201,107.07 × 88,402.68
  4. Step 4: Simplify right side
    145,723.14x = 17,778,403,954.95
  5. Step 5: Solve for x
    x = 17,778,403,954.95/145,723.14
  6. Step 6: Final answer
    x = 122,001.24

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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.