Home / 86,430.38-119,273.92-46,686.38

Finding the Fourth Proportional to 86,430.38, 119,273.92 and 46,686.38

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Solution

The fourth proportional to 86,430.38, 119,273.92 and 46,686.38 is: 64,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,430.38 : 119,273.92 = 46,686.38 : x
  2. Step 2: Convert to fraction form
    86,430.38/119,273.92 = 46,686.38/x
  3. Step 3: Cross multiply
    86,430.38x = 119,273.92 × 46,686.38
  4. Step 4: Simplify right side
    86,430.38x = 5,568,466,840.12
  5. Step 5: Solve for x
    x = 5,568,466,840.12/86,430.38
  6. Step 6: Final answer
    x = 64,427.20

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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.