Home / 129,650.02-178,916.76-70,034.02

Finding the Fourth Proportional to 129,650.02, 178,916.76 and 70,034.02

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Solution

The fourth proportional to 129,650.02, 178,916.76 and 70,034.02 is: 96,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,650.02 : 178,916.76 = 70,034.02 : x
  2. Step 2: Convert to fraction form
    129,650.02/178,916.76 = 70,034.02/x
  3. Step 3: Cross multiply
    129,650.02x = 178,916.76 × 70,034.02
  4. Step 4: Simplify right side
    129,650.02x = 12,530,259,948.18
  5. Step 5: Solve for x
    x = 12,530,259,948.18/129,650.02
  6. Step 6: Final answer
    x = 96,646.80

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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.