Home / 143,460.33-198,117.27-118,216.86

Finding the Fourth Proportional to 143,460.33, 198,117.27 and 118,216.86

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Solution

The fourth proportional to 143,460.33, 198,117.27 and 118,216.86 is: 163,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,460.33 : 198,117.27 = 118,216.86 : x
  2. Step 2: Convert to fraction form
    143,460.33/198,117.27 = 118,216.86/x
  3. Step 3: Cross multiply
    143,460.33x = 198,117.27 × 118,216.86
  4. Step 4: Simplify right side
    143,460.33x = 23,420,801,571.17
  5. Step 5: Solve for x
    x = 23,420,801,571.17/143,460.33
  6. Step 6: Final answer
    x = 163,256.29

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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.