Home / 91,602.22-137,437.94-35,445.70

Finding the Fourth Proportional to 91,602.22, 137,437.94 and 35,445.70

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Solution

The fourth proportional to 91,602.22, 137,437.94 and 35,445.70 is: 53,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,602.22 : 137,437.94 = 35,445.70 : x
  2. Step 2: Convert to fraction form
    91,602.22/137,437.94 = 35,445.70/x
  3. Step 3: Cross multiply
    91,602.22x = 137,437.94 × 35,445.70
  4. Step 4: Simplify right side
    91,602.22x = 4,871,583,989.86
  5. Step 5: Solve for x
    x = 4,871,583,989.86/91,602.22
  6. Step 6: Final answer
    x = 53,181.94

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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.