Home / 563,618.03-845,428.74-137,153.92

Finding the Fourth Proportional to 563,618.03, 845,428.74 and 137,153.92

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Solution

The fourth proportional to 563,618.03, 845,428.74 and 137,153.92 is: 205,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,618.03 : 845,428.74 = 137,153.92 : x
  2. Step 2: Convert to fraction form
    563,618.03/845,428.74 = 137,153.92/x
  3. Step 3: Cross multiply
    563,618.03x = 845,428.74 × 137,153.92
  4. Step 4: Simplify right side
    563,618.03x = 115,953,864,172.42
  5. Step 5: Solve for x
    x = 115,953,864,172.42/563,618.03
  6. Step 6: Final answer
    x = 205,731.29

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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.