Home / 142,261.16-213,391.58-43,765.16

Finding the Fourth Proportional to 142,261.16, 213,391.58 and 43,765.16

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Solution

The fourth proportional to 142,261.16, 213,391.58 and 43,765.16 is: 65,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,261.16 : 213,391.58 = 43,765.16 : x
  2. Step 2: Convert to fraction form
    142,261.16/213,391.58 = 43,765.16/x
  3. Step 3: Cross multiply
    142,261.16x = 213,391.58 × 43,765.16
  4. Step 4: Simplify right side
    142,261.16x = 9,339,116,641.35
  5. Step 5: Solve for x
    x = 9,339,116,641.35/142,261.16
  6. Step 6: Final answer
    x = 65,647.69

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1.5x scale

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.