Home / 146,574.90-219,862.35-138,410.10

Finding the Fourth Proportional to 146,574.90, 219,862.35 and 138,410.10

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Solution

The fourth proportional to 146,574.90, 219,862.35 and 138,410.10 is: 207,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,574.90 : 219,862.35 = 138,410.10 : x
  2. Step 2: Convert to fraction form
    146,574.90/219,862.35 = 138,410.10/x
  3. Step 3: Cross multiply
    146,574.90x = 219,862.35 × 138,410.10
  4. Step 4: Simplify right side
    146,574.90x = 30,431,169,849.74
  5. Step 5: Solve for x
    x = 30,431,169,849.74/146,574.90
  6. Step 6: Final answer
    x = 207,615.15

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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.