Home / 181,153.05-249,999.02-100,580.57

Finding the Fourth Proportional to 181,153.05, 249,999.02 and 100,580.57

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Solution

The fourth proportional to 181,153.05, 249,999.02 and 100,580.57 is: 138,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,153.05 : 249,999.02 = 100,580.57 : x
  2. Step 2: Convert to fraction form
    181,153.05/249,999.02 = 100,580.57/x
  3. Step 3: Cross multiply
    181,153.05x = 249,999.02 × 100,580.57
  4. Step 4: Simplify right side
    181,153.05x = 25,145,042,178.14
  5. Step 5: Solve for x
    x = 25,145,042,178.14/181,153.05
  6. Step 6: Final answer
    x = 138,805.51

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1.5x scale

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.