Home / 142,345.88-196,310.04-118,108.46

Finding the Fourth Proportional to 142,345.88, 196,310.04 and 118,108.46

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Solution

The fourth proportional to 142,345.88, 196,310.04 and 118,108.46 is: 162,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,345.88 : 196,310.04 = 118,108.46 : x
  2. Step 2: Convert to fraction form
    142,345.88/196,310.04 = 118,108.46/x
  3. Step 3: Cross multiply
    142,345.88x = 196,310.04 × 118,108.46
  4. Step 4: Simplify right side
    142,345.88x = 23,185,876,506.94
  5. Step 5: Solve for x
    x = 23,185,876,506.94/142,345.88
  6. Step 6: Final answer
    x = 162,884.07

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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.