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Finding the Fourth Proportional to 170,577.71, 235,386.59 and 94,097.69

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Solution

The fourth proportional to 170,577.71, 235,386.59 and 94,097.69 is: 129,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,577.71 : 235,386.59 = 94,097.69 : x
  2. Step 2: Convert to fraction form
    170,577.71/235,386.59 = 94,097.69/x
  3. Step 3: Cross multiply
    170,577.71x = 235,386.59 × 94,097.69
  4. Step 4: Simplify right side
    170,577.71x = 22,149,333,905.49
  5. Step 5: Solve for x
    x = 22,149,333,905.49/170,577.71
  6. Step 6: Final answer
    x = 129,848.93

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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.