Home / 165,322.50-248,053.98-90,355.08

Finding the Fourth Proportional to 165,322.50, 248,053.98 and 90,355.08

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Solution

The fourth proportional to 165,322.50, 248,053.98 and 90,355.08 is: 135,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,322.50 : 248,053.98 = 90,355.08 : x
  2. Step 2: Convert to fraction form
    165,322.50/248,053.98 = 90,355.08/x
  3. Step 3: Cross multiply
    165,322.50x = 248,053.98 × 90,355.08
  4. Step 4: Simplify right side
    165,322.50x = 22,412,937,207.22
  5. Step 5: Solve for x
    x = 22,412,937,207.22/165,322.50
  6. Step 6: Final answer
    x = 135,571.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.