Home / 140,848.64-211,268.64-57,680

Finding the Fourth Proportional to 140,848.64, 211,268.64 and 57,680

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Solution

The fourth proportional to 140,848.64, 211,268.64 and 57,680 is: 86,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,848.64 : 211,268.64 = 57,680 : x
  2. Step 2: Convert to fraction form
    140,848.64/211,268.64 = 57,680/x
  3. Step 3: Cross multiply
    140,848.64x = 211,268.64 × 57,680
  4. Step 4: Simplify right side
    140,848.64x = 12,185,975,155.20
  5. Step 5: Solve for x
    x = 12,185,975,155.20/140,848.64
  6. Step 6: Final answer
    x = 86,518.23

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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.