Home / 106,979.51-160,214.57-61,905.86

Finding the Fourth Proportional to 106,979.51, 160,214.57 and 61,905.86

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Solution

The fourth proportional to 106,979.51, 160,214.57 and 61,905.86 is: 92,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,979.51 : 160,214.57 = 61,905.86 : x
  2. Step 2: Convert to fraction form
    106,979.51/160,214.57 = 61,905.86/x
  3. Step 3: Cross multiply
    106,979.51x = 160,214.57 × 61,905.86
  4. Step 4: Simplify right side
    106,979.51x = 9,918,220,094.07
  5. Step 5: Solve for x
    x = 9,918,220,094.07/106,979.51
  6. Step 6: Final answer
    x = 92,711.40

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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.