Home / 146,910.51-202,436.15-138,970.35

Finding the Fourth Proportional to 146,910.51, 202,436.15 and 138,970.35

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Solution

The fourth proportional to 146,910.51, 202,436.15 and 138,970.35 is: 191,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,910.51 : 202,436.15 = 138,970.35 : x
  2. Step 2: Convert to fraction form
    146,910.51/202,436.15 = 138,970.35/x
  3. Step 3: Cross multiply
    146,910.51x = 202,436.15 × 138,970.35
  4. Step 4: Simplify right side
    146,910.51x = 28,132,621,923.30
  5. Step 5: Solve for x
    x = 28,132,621,923.30/146,910.51
  6. Step 6: Final answer
    x = 191,494.96

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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.