Home / 119,845.38-165,386.37-66,130.23

Finding the Fourth Proportional to 119,845.38, 165,386.37 and 66,130.23

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Solution

The fourth proportional to 119,845.38, 165,386.37 and 66,130.23 is: 91,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,845.38 : 165,386.37 = 66,130.23 : x
  2. Step 2: Convert to fraction form
    119,845.38/165,386.37 = 66,130.23/x
  3. Step 3: Cross multiply
    119,845.38x = 165,386.37 × 66,130.23
  4. Step 4: Simplify right side
    119,845.38x = 10,937,038,686.97
  5. Step 5: Solve for x
    x = 10,937,038,686.97/119,845.38
  6. Step 6: Final answer
    x = 91,259.58

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1.5x scale

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.