Home / 142,850.07-197,093.20-112,541.33

Finding the Fourth Proportional to 142,850.07, 197,093.20 and 112,541.33

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Solution

The fourth proportional to 142,850.07, 197,093.20 and 112,541.33 is: 155,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.07 : 197,093.20 = 112,541.33 : x
  2. Step 2: Convert to fraction form
    142,850.07/197,093.20 = 112,541.33/x
  3. Step 3: Cross multiply
    142,850.07x = 197,093.20 × 112,541.33
  4. Step 4: Simplify right side
    142,850.07x = 22,181,130,299.25
  5. Step 5: Solve for x
    x = 22,181,130,299.25/142,850.07
  6. Step 6: Final answer
    x = 155,275.60

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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.