Home / 115,337.26-159,066.03-75,036.34

Finding the Fourth Proportional to 115,337.26, 159,066.03 and 75,036.34

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Solution

The fourth proportional to 115,337.26, 159,066.03 and 75,036.34 is: 103,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,337.26 : 159,066.03 = 75,036.34 : x
  2. Step 2: Convert to fraction form
    115,337.26/159,066.03 = 75,036.34/x
  3. Step 3: Cross multiply
    115,337.26x = 159,066.03 × 75,036.34
  4. Step 4: Simplify right side
    115,337.26x = 11,935,732,709.53
  5. Step 5: Solve for x
    x = 11,935,732,709.53/115,337.26
  6. Step 6: Final answer
    x = 103,485.49

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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.