Home / 210,029.76-289,845.54-118,146.60

Finding the Fourth Proportional to 210,029.76, 289,845.54 and 118,146.60

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Solution

The fourth proportional to 210,029.76, 289,845.54 and 118,146.60 is: 163,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029.76 : 289,845.54 = 118,146.60 : x
  2. Step 2: Convert to fraction form
    210,029.76/289,845.54 = 118,146.60/x
  3. Step 3: Cross multiply
    210,029.76x = 289,845.54 × 118,146.60
  4. Step 4: Simplify right side
    210,029.76x = 34,244,265,076.16
  5. Step 5: Solve for x
    x = 34,244,265,076.16/210,029.76
  6. Step 6: Final answer
    x = 163,044.82

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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.