Home / 158,357.13-218,450.03-97,908.45

Finding the Fourth Proportional to 158,357.13, 218,450.03 and 97,908.45

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Solution

The fourth proportional to 158,357.13, 218,450.03 and 97,908.45 is: 135,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,357.13 : 218,450.03 = 97,908.45 : x
  2. Step 2: Convert to fraction form
    158,357.13/218,450.03 = 97,908.45/x
  3. Step 3: Cross multiply
    158,357.13x = 218,450.03 × 97,908.45
  4. Step 4: Simplify right side
    158,357.13x = 21,388,103,350.21
  5. Step 5: Solve for x
    x = 21,388,103,350.21/158,357.13
  6. Step 6: Final answer
    x = 135,062.46

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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.