Home / 210,553.48-290,428.02-125,605

Finding the Fourth Proportional to 210,553.48, 290,428.02 and 125,605

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Solution

The fourth proportional to 210,553.48, 290,428.02 and 125,605 is: 173,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,553.48 : 290,428.02 = 125,605 : x
  2. Step 2: Convert to fraction form
    210,553.48/290,428.02 = 125,605/x
  3. Step 3: Cross multiply
    210,553.48x = 290,428.02 × 125,605
  4. Step 4: Simplify right side
    210,553.48x = 36,479,211,452.10
  5. Step 5: Solve for x
    x = 36,479,211,452.10/210,553.48
  6. Step 6: Final answer
    x = 173,253.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.