Home / 454,066.16-681,205.75-138,522.96

Finding the Fourth Proportional to 454,066.16, 681,205.75 and 138,522.96

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Solution

The fourth proportional to 454,066.16, 681,205.75 and 138,522.96 is: 207,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,066.16 : 681,205.75 = 138,522.96 : x
  2. Step 2: Convert to fraction form
    454,066.16/681,205.75 = 138,522.96/x
  3. Step 3: Cross multiply
    454,066.16x = 681,205.75 × 138,522.96
  4. Step 4: Simplify right side
    454,066.16x = 94,362,636,512.71
  5. Step 5: Solve for x
    x = 94,362,636,512.71/454,066.16
  6. Step 6: Final answer
    x = 207,816.93

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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.