Home / 152,618.95-210,668.67-104,186.21

Finding the Fourth Proportional to 152,618.95, 210,668.67 and 104,186.21

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Solution

The fourth proportional to 152,618.95, 210,668.67 and 104,186.21 is: 143,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,618.95 : 210,668.67 = 104,186.21 : x
  2. Step 2: Convert to fraction form
    152,618.95/210,668.67 = 104,186.21/x
  3. Step 3: Cross multiply
    152,618.95x = 210,668.67 × 104,186.21
  4. Step 4: Simplify right side
    152,618.95x = 21,948,769,772.11
  5. Step 5: Solve for x
    x = 21,948,769,772.11/152,618.95
  6. Step 6: Final answer
    x = 143,814.19

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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.