Home / 122,486.42-183,741.23-47,612.35

Finding the Fourth Proportional to 122,486.42, 183,741.23 and 47,612.35

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Solution

The fourth proportional to 122,486.42, 183,741.23 and 47,612.35 is: 71,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486.42 : 183,741.23 = 47,612.35 : x
  2. Step 2: Convert to fraction form
    122,486.42/183,741.23 = 47,612.35/x
  3. Step 3: Cross multiply
    122,486.42x = 183,741.23 × 47,612.35
  4. Step 4: Simplify right side
    122,486.42x = 8,748,351,514.13
  5. Step 5: Solve for x
    x = 8,748,351,514.13/122,486.42
  6. Step 6: Final answer
    x = 71,423.03

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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.