Home / 181,146.02-249,989.30-100,573.54

Finding the Fourth Proportional to 181,146.02, 249,989.30 and 100,573.54

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Solution

The fourth proportional to 181,146.02, 249,989.30 and 100,573.54 is: 138,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,146.02 : 249,989.30 = 100,573.54 : x
  2. Step 2: Convert to fraction form
    181,146.02/249,989.30 = 100,573.54/x
  3. Step 3: Cross multiply
    181,146.02x = 249,989.30 × 100,573.54
  4. Step 4: Simplify right side
    181,146.02x = 25,142,308,489.58
  5. Step 5: Solve for x
    x = 25,142,308,489.58/181,146.02
  6. Step 6: Final answer
    x = 138,795.81

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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.