Home / 149,232.10-205,950.96-83,826.22

Finding the Fourth Proportional to 149,232.10, 205,950.96 and 83,826.22

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Solution

The fourth proportional to 149,232.10, 205,950.96 and 83,826.22 is: 115,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,232.10 : 205,950.96 = 83,826.22 : x
  2. Step 2: Convert to fraction form
    149,232.10/205,950.96 = 83,826.22/x
  3. Step 3: Cross multiply
    149,232.10x = 205,950.96 × 83,826.22
  4. Step 4: Simplify right side
    149,232.10x = 17,264,090,482.17
  5. Step 5: Solve for x
    x = 17,264,090,482.17/149,232.10
  6. Step 6: Final answer
    x = 115,686.17

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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.