Home / 157,947.77-217,842.51-119,314.52

Finding the Fourth Proportional to 157,947.77, 217,842.51 and 119,314.52

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Solution

The fourth proportional to 157,947.77, 217,842.51 and 119,314.52 is: 164,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,947.77 : 217,842.51 = 119,314.52 : x
  2. Step 2: Convert to fraction form
    157,947.77/217,842.51 = 119,314.52/x
  3. Step 3: Cross multiply
    157,947.77x = 217,842.51 × 119,314.52
  4. Step 4: Simplify right side
    157,947.77x = 25,991,774,691.37
  5. Step 5: Solve for x
    x = 25,991,774,691.37/157,947.77
  6. Step 6: Final answer
    x = 164,559.30

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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.