Home / 143,248.91-214,669.60-105,512.23

Finding the Fourth Proportional to 143,248.91, 214,669.60 and 105,512.23

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Solution

The fourth proportional to 143,248.91, 214,669.60 and 105,512.23 is: 158,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,248.91 : 214,669.60 = 105,512.23 : x
  2. Step 2: Convert to fraction form
    143,248.91/214,669.60 = 105,512.23/x
  3. Step 3: Cross multiply
    143,248.91x = 214,669.60 × 105,512.23
  4. Step 4: Simplify right side
    143,248.91x = 22,650,268,209.21
  5. Step 5: Solve for x
    x = 22,650,268,209.21/143,248.91
  6. Step 6: Final answer
    x = 158,118.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.