Home / 165,030.52-227,740.78-89,577.40

Finding the Fourth Proportional to 165,030.52, 227,740.78 and 89,577.40

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Solution

The fourth proportional to 165,030.52, 227,740.78 and 89,577.40 is: 123,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,030.52 : 227,740.78 = 89,577.40 : x
  2. Step 2: Convert to fraction form
    165,030.52/227,740.78 = 89,577.40/x
  3. Step 3: Cross multiply
    165,030.52x = 227,740.78 × 89,577.40
  4. Step 4: Simplify right side
    165,030.52x = 20,400,426,946.37
  5. Step 5: Solve for x
    x = 20,400,426,946.37/165,030.52
  6. Step 6: Final answer
    x = 123,616.09

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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.