Home / 119,539.02-164,908.44-77,111.22

Finding the Fourth Proportional to 119,539.02, 164,908.44 and 77,111.22

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Solution

The fourth proportional to 119,539.02, 164,908.44 and 77,111.22 is: 106,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,539.02 : 164,908.44 = 77,111.22 : x
  2. Step 2: Convert to fraction form
    119,539.02/164,908.44 = 77,111.22/x
  3. Step 3: Cross multiply
    119,539.02x = 164,908.44 × 77,111.22
  4. Step 4: Simplify right side
    119,539.02x = 12,716,290,996.70
  5. Step 5: Solve for x
    x = 12,716,290,996.70/119,539.02
  6. Step 6: Final answer
    x = 106,377.74

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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.