Home / 207,969.21-286,997.70-112,475.91

Finding the Fourth Proportional to 207,969.21, 286,997.70 and 112,475.91

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Solution

The fourth proportional to 207,969.21, 286,997.70 and 112,475.91 is: 155,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,969.21 : 286,997.70 = 112,475.91 : x
  2. Step 2: Convert to fraction form
    207,969.21/286,997.70 = 112,475.91/x
  3. Step 3: Cross multiply
    207,969.21x = 286,997.70 × 112,475.91
  4. Step 4: Simplify right side
    207,969.21x = 32,280,327,475.41
  5. Step 5: Solve for x
    x = 32,280,327,475.41/207,969.21
  6. Step 6: Final answer
    x = 155,216.86

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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.