Home / 142,724.04-214,116.12-53,975.58

Finding the Fourth Proportional to 142,724.04, 214,116.12 and 53,975.58

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Solution

The fourth proportional to 142,724.04, 214,116.12 and 53,975.58 is: 80,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,724.04 : 214,116.12 = 53,975.58 : x
  2. Step 2: Convert to fraction form
    142,724.04/214,116.12 = 53,975.58/x
  3. Step 3: Cross multiply
    142,724.04x = 214,116.12 × 53,975.58
  4. Step 4: Simplify right side
    142,724.04x = 11,557,041,764.35
  5. Step 5: Solve for x
    x = 11,557,041,764.35/142,724.04
  6. Step 6: Final answer
    x = 80,974.74

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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.