Home / 142,728.26-214,084.14-42,886.26

Finding the Fourth Proportional to 142,728.26, 214,084.14 and 42,886.26

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Solution

The fourth proportional to 142,728.26, 214,084.14 and 42,886.26 is: 64,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,728.26 : 214,084.14 = 42,886.26 : x
  2. Step 2: Convert to fraction form
    142,728.26/214,084.14 = 42,886.26/x
  3. Step 3: Cross multiply
    142,728.26x = 214,084.14 × 42,886.26
  4. Step 4: Simplify right side
    142,728.26x = 9,181,268,089.92
  5. Step 5: Solve for x
    x = 9,181,268,089.92/142,728.26
  6. Step 6: Final answer
    x = 64,326.91

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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.