Home / 554,172.15-831,137.57-149,354.91

Finding the Fourth Proportional to 554,172.15, 831,137.57 and 149,354.91

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Solution

The fourth proportional to 554,172.15, 831,137.57 and 149,354.91 is: 223,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,172.15 : 831,137.57 = 149,354.91 : x
  2. Step 2: Convert to fraction form
    554,172.15/831,137.57 = 149,354.91/x
  3. Step 3: Cross multiply
    554,172.15x = 831,137.57 × 149,354.91
  4. Step 4: Simplify right side
    554,172.15x = 124,134,476,218.19
  5. Step 5: Solve for x
    x = 124,134,476,218.19/554,172.15
  6. Step 6: Final answer
    x = 223,999.85

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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.