Home / 211,557.50-317,365.88-61,808.75

Finding the Fourth Proportional to 211,557.50, 317,365.88 and 61,808.75

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Solution

The fourth proportional to 211,557.50, 317,365.88 and 61,808.75 is: 92,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,557.50 : 317,365.88 = 61,808.75 : x
  2. Step 2: Convert to fraction form
    211,557.50/317,365.88 = 61,808.75/x
  3. Step 3: Cross multiply
    211,557.50x = 317,365.88 × 61,808.75
  4. Step 4: Simplify right side
    211,557.50x = 19,615,986,439.58
  5. Step 5: Solve for x
    x = 19,615,986,439.58/211,557.50
  6. Step 6: Final answer
    x = 92,721.77

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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.