Home / 158,521.33-218,583.75-101,069.65

Finding the Fourth Proportional to 158,521.33, 218,583.75 and 101,069.65

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Solution

The fourth proportional to 158,521.33, 218,583.75 and 101,069.65 is: 139,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,521.33 : 218,583.75 = 101,069.65 : x
  2. Step 2: Convert to fraction form
    158,521.33/218,583.75 = 101,069.65/x
  3. Step 3: Cross multiply
    158,521.33x = 218,583.75 × 101,069.65
  4. Step 4: Simplify right side
    158,521.33x = 22,092,183,108.19
  5. Step 5: Solve for x
    x = 22,092,183,108.19/158,521.33
  6. Step 6: Final answer
    x = 139,364.10

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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.