Home / 153,610.02-211,933.26-121,242.42

Finding the Fourth Proportional to 153,610.02, 211,933.26 and 121,242.42

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Solution

The fourth proportional to 153,610.02, 211,933.26 and 121,242.42 is: 167,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,610.02 : 211,933.26 = 121,242.42 : x
  2. Step 2: Convert to fraction form
    153,610.02/211,933.26 = 121,242.42/x
  3. Step 3: Cross multiply
    153,610.02x = 211,933.26 × 121,242.42
  4. Step 4: Simplify right side
    153,610.02x = 25,695,301,320.89
  5. Step 5: Solve for x
    x = 25,695,301,320.89/153,610.02
  6. Step 6: Final answer
    x = 167,276.21

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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.