Home / 142,976.58-214,395.36-43,118.16

Finding the Fourth Proportional to 142,976.58, 214,395.36 and 43,118.16

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Solution

The fourth proportional to 142,976.58, 214,395.36 and 43,118.16 is: 64,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,976.58 : 214,395.36 = 43,118.16 : x
  2. Step 2: Convert to fraction form
    142,976.58/214,395.36 = 43,118.16/x
  3. Step 3: Cross multiply
    142,976.58x = 214,395.36 × 43,118.16
  4. Step 4: Simplify right side
    142,976.58x = 9,244,333,435.74
  5. Step 5: Solve for x
    x = 9,244,333,435.74/142,976.58
  6. Step 6: Final answer
    x = 64,656.28

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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.