Home / 94,181.63-129,970.69-51,742.89

Finding the Fourth Proportional to 94,181.63, 129,970.69 and 51,742.89

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Solution

The fourth proportional to 94,181.63, 129,970.69 and 51,742.89 is: 71,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,181.63 : 129,970.69 = 51,742.89 : x
  2. Step 2: Convert to fraction form
    94,181.63/129,970.69 = 51,742.89/x
  3. Step 3: Cross multiply
    94,181.63x = 129,970.69 × 51,742.89
  4. Step 4: Simplify right side
    94,181.63x = 6,725,059,277.59
  5. Step 5: Solve for x
    x = 6,725,059,277.59/94,181.63
  6. Step 6: Final answer
    x = 71,405.22

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1.5x scale

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.