Home / 121,586.72-182,281.67-46,668.61

Finding the Fourth Proportional to 121,586.72, 182,281.67 and 46,668.61

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Solution

The fourth proportional to 121,586.72, 182,281.67 and 46,668.61 is: 69,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,586.72 : 182,281.67 = 46,668.61 : x
  2. Step 2: Convert to fraction form
    121,586.72/182,281.67 = 46,668.61/x
  3. Step 3: Cross multiply
    121,586.72x = 182,281.67 × 46,668.61
  4. Step 4: Simplify right side
    121,586.72x = 8,506,831,022.63
  5. Step 5: Solve for x
    x = 8,506,831,022.63/121,586.72
  6. Step 6: Final answer
    x = 69,965.13

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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.