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Finding the Fourth Proportional to 92,263.01, 137,888.98 and 67,355.51

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Solution

The fourth proportional to 92,263.01, 137,888.98 and 67,355.51 is: 100,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,263.01 : 137,888.98 = 67,355.51 : x
  2. Step 2: Convert to fraction form
    92,263.01/137,888.98 = 67,355.51/x
  3. Step 3: Cross multiply
    92,263.01x = 137,888.98 × 67,355.51
  4. Step 4: Simplify right side
    92,263.01x = 9,287,582,571.28
  5. Step 5: Solve for x
    x = 9,287,582,571.28/92,263.01
  6. Step 6: Final answer
    x = 100,664.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.