Home / 94,342.16-130,192.80-51,899.60

Finding the Fourth Proportional to 94,342.16, 130,192.80 and 51,899.60

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Solution

The fourth proportional to 94,342.16, 130,192.80 and 51,899.60 is: 71,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,342.16 : 130,192.80 = 51,899.60 : x
  2. Step 2: Convert to fraction form
    94,342.16/130,192.80 = 51,899.60/x
  3. Step 3: Cross multiply
    94,342.16x = 130,192.80 × 51,899.60
  4. Step 4: Simplify right side
    94,342.16x = 6,756,954,242.88
  5. Step 5: Solve for x
    x = 6,756,954,242.88/94,342.16
  6. Step 6: Final answer
    x = 71,621.79

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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.