Home / 142,823.52-197,093.52-79,160.76

Finding the Fourth Proportional to 142,823.52, 197,093.52 and 79,160.76

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Solution

The fourth proportional to 142,823.52, 197,093.52 and 79,160.76 is: 109,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,823.52 : 197,093.52 = 79,160.76 : x
  2. Step 2: Convert to fraction form
    142,823.52/197,093.52 = 79,160.76/x
  3. Step 3: Cross multiply
    142,823.52x = 197,093.52 × 79,160.76
  4. Step 4: Simplify right side
    142,823.52x = 15,602,072,834.28
  5. Step 5: Solve for x
    x = 15,602,072,834.28/142,823.52
  6. Step 6: Final answer
    x = 109,240.22

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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.