Home / 124,645.95-172,093.68-76,969.35

Finding the Fourth Proportional to 124,645.95, 172,093.68 and 76,969.35

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Solution

The fourth proportional to 124,645.95, 172,093.68 and 76,969.35 is: 106,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,645.95 : 172,093.68 = 76,969.35 : x
  2. Step 2: Convert to fraction form
    124,645.95/172,093.68 = 76,969.35/x
  3. Step 3: Cross multiply
    124,645.95x = 172,093.68 × 76,969.35
  4. Step 4: Simplify right side
    124,645.95x = 13,245,938,688.71
  5. Step 5: Solve for x
    x = 13,245,938,688.71/124,645.95
  6. Step 6: Final answer
    x = 106,268.50

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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.