Home / 216,849.96-299,254.46-121,365.52

Finding the Fourth Proportional to 216,849.96, 299,254.46 and 121,365.52

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Solution

The fourth proportional to 216,849.96, 299,254.46 and 121,365.52 is: 167,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,849.96 : 299,254.46 = 121,365.52 : x
  2. Step 2: Convert to fraction form
    216,849.96/299,254.46 = 121,365.52/x
  3. Step 3: Cross multiply
    216,849.96x = 299,254.46 × 121,365.52
  4. Step 4: Simplify right side
    216,849.96x = 36,319,173,150.22
  5. Step 5: Solve for x
    x = 36,319,173,150.22/216,849.96
  6. Step 6: Final answer
    x = 167,485.27

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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.