Home / 638,122.02-957,186.27-164,774.76

Finding the Fourth Proportional to 638,122.02, 957,186.27 and 164,774.76

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Solution

The fourth proportional to 638,122.02, 957,186.27 and 164,774.76 is: 247,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,122.02 : 957,186.27 = 164,774.76 : x
  2. Step 2: Convert to fraction form
    638,122.02/957,186.27 = 164,774.76/x
  3. Step 3: Cross multiply
    638,122.02x = 957,186.27 × 164,774.76
  4. Step 4: Simplify right side
    638,122.02x = 157,720,137,914.55
  5. Step 5: Solve for x
    x = 157,720,137,914.55/638,122.02
  6. Step 6: Final answer
    x = 247,162.98

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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.