Home / 149,308.08-206,009.37-84,762.96

Finding the Fourth Proportional to 149,308.08, 206,009.37 and 84,762.96

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Solution

The fourth proportional to 149,308.08, 206,009.37 and 84,762.96 is: 116,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,308.08 : 206,009.37 = 84,762.96 : x
  2. Step 2: Convert to fraction form
    149,308.08/206,009.37 = 84,762.96/x
  3. Step 3: Cross multiply
    149,308.08x = 206,009.37 × 84,762.96
  4. Step 4: Simplify right side
    149,308.08x = 17,461,963,988.94
  5. Step 5: Solve for x
    x = 17,461,963,988.94/149,308.08
  6. Step 6: Final answer
    x = 116,952.57

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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.