Home / 207,968.76-286,997.07-112,475.45

Finding the Fourth Proportional to 207,968.76, 286,997.07 and 112,475.45

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Solution

The fourth proportional to 207,968.76, 286,997.07 and 112,475.45 is: 155,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,968.76 : 286,997.07 = 112,475.45 : x
  2. Step 2: Convert to fraction form
    207,968.76/286,997.07 = 112,475.45/x
  3. Step 3: Cross multiply
    207,968.76x = 286,997.07 × 112,475.45
  4. Step 4: Simplify right side
    207,968.76x = 32,280,124,596.93
  5. Step 5: Solve for x
    x = 32,280,124,596.93/207,968.76
  6. Step 6: Final answer
    x = 155,216.22

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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.