Home / 137,927.59-190,340.24-77,498.19

Finding the Fourth Proportional to 137,927.59, 190,340.24 and 77,498.19

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Solution

The fourth proportional to 137,927.59, 190,340.24 and 77,498.19 is: 106,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,927.59 : 190,340.24 = 77,498.19 : x
  2. Step 2: Convert to fraction form
    137,927.59/190,340.24 = 77,498.19/x
  3. Step 3: Cross multiply
    137,927.59x = 190,340.24 × 77,498.19
  4. Step 4: Simplify right side
    137,927.59x = 14,751,023,696.67
  5. Step 5: Solve for x
    x = 14,751,023,696.67/137,927.59
  6. Step 6: Final answer
    x = 106,947.59

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1.5x scale

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.