Home / 142,836.93-214,282.47-57,454.32

Finding the Fourth Proportional to 142,836.93, 214,282.47 and 57,454.32

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Solution

The fourth proportional to 142,836.93, 214,282.47 and 57,454.32 is: 86,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,836.93 : 214,282.47 = 57,454.32 : x
  2. Step 2: Convert to fraction form
    142,836.93/214,282.47 = 57,454.32/x
  3. Step 3: Cross multiply
    142,836.93x = 214,282.47 × 57,454.32
  4. Step 4: Simplify right side
    142,836.93x = 12,311,453,601.77
  5. Step 5: Solve for x
    x = 12,311,453,601.77/142,836.93
  6. Step 6: Final answer
    x = 86,192.37

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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.