Home / 147,741.90-205,260.18-145,970.43

Finding the Fourth Proportional to 147,741.90, 205,260.18 and 145,970.43

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Solution

The fourth proportional to 147,741.90, 205,260.18 and 145,970.43 is: 202,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,741.90 : 205,260.18 = 145,970.43 : x
  2. Step 2: Convert to fraction form
    147,741.90/205,260.18 = 145,970.43/x
  3. Step 3: Cross multiply
    147,741.90x = 205,260.18 × 145,970.43
  4. Step 4: Simplify right side
    147,741.90x = 29,961,916,736.48
  5. Step 5: Solve for x
    x = 29,961,916,736.48/147,741.90
  6. Step 6: Final answer
    x = 202,799.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.