Home / 112,415.54-168,681.63-50,071.46

Finding the Fourth Proportional to 112,415.54, 168,681.63 and 50,071.46

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Solution

The fourth proportional to 112,415.54, 168,681.63 and 50,071.46 is: 75,133.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,415.54 : 168,681.63 = 50,071.46 : x
  2. Step 2: Convert to fraction form
    112,415.54/168,681.63 = 50,071.46/x
  3. Step 3: Cross multiply
    112,415.54x = 168,681.63 × 50,071.46
  4. Step 4: Simplify right side
    112,415.54x = 8,446,135,489.28
  5. Step 5: Solve for x
    x = 8,446,135,489.28/112,415.54
  6. Step 6: Final answer
    x = 75,133.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.