Home / 153,901.10-230,851.65-83,917.10

Finding the Fourth Proportional to 153,901.10, 230,851.65 and 83,917.10

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Solution

The fourth proportional to 153,901.10, 230,851.65 and 83,917.10 is: 125,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,901.10 : 230,851.65 = 83,917.10 : x
  2. Step 2: Convert to fraction form
    153,901.10/230,851.65 = 83,917.10/x
  3. Step 3: Cross multiply
    153,901.10x = 230,851.65 × 83,917.10
  4. Step 4: Simplify right side
    153,901.10x = 19,372,400,998.22
  5. Step 5: Solve for x
    x = 19,372,400,998.22/153,901.10
  6. Step 6: Final answer
    x = 125,875.65

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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.