Home / 169,711.02-254,664.45-90,869.22

Finding the Fourth Proportional to 169,711.02, 254,664.45 and 90,869.22

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Solution

The fourth proportional to 169,711.02, 254,664.45 and 90,869.22 is: 136,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,711.02 : 254,664.45 = 90,869.22 : x
  2. Step 2: Convert to fraction form
    169,711.02/254,664.45 = 90,869.22/x
  3. Step 3: Cross multiply
    169,711.02x = 254,664.45 × 90,869.22
  4. Step 4: Simplify right side
    169,711.02x = 23,141,159,933.23
  5. Step 5: Solve for x
    x = 23,141,159,933.23/169,711.02
  6. Step 6: Final answer
    x = 136,356.26

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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.