Home / 216,431.02-298,673.35-120,937.94

Finding the Fourth Proportional to 216,431.02, 298,673.35 and 120,937.94

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Solution

The fourth proportional to 216,431.02, 298,673.35 and 120,937.94 is: 166,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,431.02 : 298,673.35 = 120,937.94 : x
  2. Step 2: Convert to fraction form
    216,431.02/298,673.35 = 120,937.94/x
  3. Step 3: Cross multiply
    216,431.02x = 298,673.35 × 120,937.94
  4. Step 4: Simplify right side
    216,431.02x = 36,120,937,886.19
  5. Step 5: Solve for x
    x = 36,120,937,886.19/216,431.02
  6. Step 6: Final answer
    x = 166,893.54

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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.