Home / 91,303.21-136,938.41-41,374

Finding the Fourth Proportional to 91,303.21, 136,938.41 and 41,374

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Solution

The fourth proportional to 91,303.21, 136,938.41 and 41,374 is: 62,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303.21 : 136,938.41 = 41,374 : x
  2. Step 2: Convert to fraction form
    91,303.21/136,938.41 = 41,374/x
  3. Step 3: Cross multiply
    91,303.21x = 136,938.41 × 41,374
  4. Step 4: Simplify right side
    91,303.21x = 5,665,689,775.34
  5. Step 5: Solve for x
    x = 5,665,689,775.34/91,303.21
  6. Step 6: Final answer
    x = 62,053.57

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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.