Home / 165,938.60-248,907.90-77,365.10

Finding the Fourth Proportional to 165,938.60, 248,907.90 and 77,365.10

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Solution

The fourth proportional to 165,938.60, 248,907.90 and 77,365.10 is: 116,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,938.60 : 248,907.90 = 77,365.10 : x
  2. Step 2: Convert to fraction form
    165,938.60/248,907.90 = 77,365.10/x
  3. Step 3: Cross multiply
    165,938.60x = 248,907.90 × 77,365.10
  4. Step 4: Simplify right side
    165,938.60x = 19,256,784,574.29
  5. Step 5: Solve for x
    x = 19,256,784,574.29/165,938.60
  6. Step 6: Final answer
    x = 116,047.65

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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.