Home / 199,420.16-298,428.16-124,575.60

Finding the Fourth Proportional to 199,420.16, 298,428.16 and 124,575.60

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Solution

The fourth proportional to 199,420.16, 298,428.16 and 124,575.60 is: 186,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,420.16 : 298,428.16 = 124,575.60 : x
  2. Step 2: Convert to fraction form
    199,420.16/298,428.16 = 124,575.60/x
  3. Step 3: Cross multiply
    199,420.16x = 298,428.16 × 124,575.60
  4. Step 4: Simplify right side
    199,420.16x = 37,176,867,088.90
  5. Step 5: Solve for x
    x = 37,176,867,088.90/199,420.16
  6. Step 6: Final answer
    x = 186,424.82

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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.