Home / 176,681.07-265,051.17-138,728.82

Finding the Fourth Proportional to 176,681.07, 265,051.17 and 138,728.82

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Solution

The fourth proportional to 176,681.07, 265,051.17 and 138,728.82 is: 208,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,681.07 : 265,051.17 = 138,728.82 : x
  2. Step 2: Convert to fraction form
    176,681.07/265,051.17 = 138,728.82/x
  3. Step 3: Cross multiply
    176,681.07x = 265,051.17 × 138,728.82
  4. Step 4: Simplify right side
    176,681.07x = 36,770,236,053.72
  5. Step 5: Solve for x
    x = 36,770,236,053.72/176,681.07
  6. Step 6: Final answer
    x = 208,116.44

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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.