Home / 123,935.70-171,030.94-67,347.07

Finding the Fourth Proportional to 123,935.70, 171,030.94 and 67,347.07

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Solution

The fourth proportional to 123,935.70, 171,030.94 and 67,347.07 is: 92,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,935.70 : 171,030.94 = 67,347.07 : x
  2. Step 2: Convert to fraction form
    123,935.70/171,030.94 = 67,347.07/x
  3. Step 3: Cross multiply
    123,935.70x = 171,030.94 × 67,347.07
  4. Step 4: Simplify right side
    123,935.70x = 11,518,432,688.35
  5. Step 5: Solve for x
    x = 11,518,432,688.35/123,935.70
  6. Step 6: Final answer
    x = 92,938.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.