Home / 239,225.10-330,139.11-131,803.30

Finding the Fourth Proportional to 239,225.10, 330,139.11 and 131,803.30

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Solution

The fourth proportional to 239,225.10, 330,139.11 and 131,803.30 is: 181,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,225.10 : 330,139.11 = 131,803.30 : x
  2. Step 2: Convert to fraction form
    239,225.10/330,139.11 = 131,803.30/x
  3. Step 3: Cross multiply
    239,225.10x = 330,139.11 × 131,803.30
  4. Step 4: Simplify right side
    239,225.10x = 43,513,424,157.06
  5. Step 5: Solve for x
    x = 43,513,424,157.06/239,225.10
  6. Step 6: Final answer
    x = 181,893.22

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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.