Home / 210,861.02-290,959.46-125,960.06

Finding the Fourth Proportional to 210,861.02, 290,959.46 and 125,960.06

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Solution

The fourth proportional to 210,861.02, 290,959.46 and 125,960.06 is: 173,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,861.02 : 290,959.46 = 125,960.06 : x
  2. Step 2: Convert to fraction form
    210,861.02/290,959.46 = 125,960.06/x
  3. Step 3: Cross multiply
    210,861.02x = 290,959.46 × 125,960.06
  4. Step 4: Simplify right side
    210,861.02x = 36,649,271,039.17
  5. Step 5: Solve for x
    x = 36,649,271,039.17/210,861.02
  6. Step 6: Final answer
    x = 173,807.71

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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.