Home / 123,688.14-170,690.13-67,099.92

Finding the Fourth Proportional to 123,688.14, 170,690.13 and 67,099.92

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Solution

The fourth proportional to 123,688.14, 170,690.13 and 67,099.92 is: 92,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,688.14 : 170,690.13 = 67,099.92 : x
  2. Step 2: Convert to fraction form
    123,688.14/170,690.13 = 67,099.92/x
  3. Step 3: Cross multiply
    123,688.14x = 170,690.13 × 67,099.92
  4. Step 4: Simplify right side
    123,688.14x = 11,453,294,067.79
  5. Step 5: Solve for x
    x = 11,453,294,067.79/123,688.14
  6. Step 6: Final answer
    x = 92,598.16

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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.