Home / 152,395.62-210,287.99-87,864.14

Finding the Fourth Proportional to 152,395.62, 210,287.99 and 87,864.14

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Solution

The fourth proportional to 152,395.62, 210,287.99 and 87,864.14 is: 121,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,395.62 : 210,287.99 = 87,864.14 : x
  2. Step 2: Convert to fraction form
    152,395.62/210,287.99 = 87,864.14/x
  3. Step 3: Cross multiply
    152,395.62x = 210,287.99 × 87,864.14
  4. Step 4: Simplify right side
    152,395.62x = 18,476,772,561.90
  5. Step 5: Solve for x
    x = 18,476,772,561.90/152,395.62
  6. Step 6: Final answer
    x = 121,242.15

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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.