Home / 146,089.32-219,485.13-138,024.30

Finding the Fourth Proportional to 146,089.32, 219,485.13 and 138,024.30

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Solution

The fourth proportional to 146,089.32, 219,485.13 and 138,024.30 is: 207,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,089.32 : 219,485.13 = 138,024.30 : x
  2. Step 2: Convert to fraction form
    146,089.32/219,485.13 = 138,024.30/x
  3. Step 3: Cross multiply
    146,089.32x = 219,485.13 × 138,024.30
  4. Step 4: Simplify right side
    146,089.32x = 30,294,281,428.66
  5. Step 5: Solve for x
    x = 30,294,281,428.66/146,089.32
  6. Step 6: Final answer
    x = 207,368.21

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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.