Home / 142,850.45-197,093.73-112,541.70

Finding the Fourth Proportional to 142,850.45, 197,093.73 and 112,541.70

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Solution

The fourth proportional to 142,850.45, 197,093.73 and 112,541.70 is: 155,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.45 : 197,093.73 = 112,541.70 : x
  2. Step 2: Convert to fraction form
    142,850.45/197,093.73 = 112,541.70/x
  3. Step 3: Cross multiply
    142,850.45x = 197,093.73 × 112,541.70
  4. Step 4: Simplify right side
    142,850.45x = 22,181,264,207.63
  5. Step 5: Solve for x
    x = 22,181,264,207.63/142,850.45
  6. Step 6: Final answer
    x = 155,276.13

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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.