Home / 149,875.95-206,822.67-81,895.26

Finding the Fourth Proportional to 149,875.95, 206,822.67 and 81,895.26

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Solution

The fourth proportional to 149,875.95, 206,822.67 and 81,895.26 is: 113,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,875.95 : 206,822.67 = 81,895.26 : x
  2. Step 2: Convert to fraction form
    149,875.95/206,822.67 = 81,895.26/x
  3. Step 3: Cross multiply
    149,875.95x = 206,822.67 × 81,895.26
  4. Step 4: Simplify right side
    149,875.95x = 16,937,796,333.54
  5. Step 5: Solve for x
    x = 16,937,796,333.54/149,875.95
  6. Step 6: Final answer
    x = 113,012.10

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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.