Home / 152,922.75-211,033.40-85,854.75

Finding the Fourth Proportional to 152,922.75, 211,033.40 and 85,854.75

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Solution

The fourth proportional to 152,922.75, 211,033.40 and 85,854.75 is: 118,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,922.75 : 211,033.40 = 85,854.75 : x
  2. Step 2: Convert to fraction form
    152,922.75/211,033.40 = 85,854.75/x
  3. Step 3: Cross multiply
    152,922.75x = 211,033.40 × 85,854.75
  4. Step 4: Simplify right side
    152,922.75x = 18,118,219,798.65
  5. Step 5: Solve for x
    x = 18,118,219,798.65/152,922.75
  6. Step 6: Final answer
    x = 118,479.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.