Home / 91,360.61-137,055.68-28,165.94

Finding the Fourth Proportional to 91,360.61, 137,055.68 and 28,165.94

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Solution

The fourth proportional to 91,360.61, 137,055.68 and 28,165.94 is: 42,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.61 : 137,055.68 = 28,165.94 : x
  2. Step 2: Convert to fraction form
    91,360.61/137,055.68 = 28,165.94/x
  3. Step 3: Cross multiply
    91,360.61x = 137,055.68 × 28,165.94
  4. Step 4: Simplify right side
    91,360.61x = 3,860,301,233.43
  5. Step 5: Solve for x
    x = 3,860,301,233.43/91,360.61
  6. Step 6: Final answer
    x = 42,253.46

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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.