Home / 155,112.32-232,669.56-84,953.36

Finding the Fourth Proportional to 155,112.32, 232,669.56 and 84,953.36

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Solution

The fourth proportional to 155,112.32, 232,669.56 and 84,953.36 is: 127,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,112.32 : 232,669.56 = 84,953.36 : x
  2. Step 2: Convert to fraction form
    155,112.32/232,669.56 = 84,953.36/x
  3. Step 3: Cross multiply
    155,112.32x = 232,669.56 × 84,953.36
  4. Step 4: Simplify right side
    155,112.32x = 19,766,060,891.72
  5. Step 5: Solve for x
    x = 19,766,060,891.72/155,112.32
  6. Step 6: Final answer
    x = 127,430.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.