Home / 216,037.40-298,291.02-131,268.20

Finding the Fourth Proportional to 216,037.40, 298,291.02 and 131,268.20

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Solution

The fourth proportional to 216,037.40, 298,291.02 and 131,268.20 is: 181,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,037.40 : 298,291.02 = 131,268.20 : x
  2. Step 2: Convert to fraction form
    216,037.40/298,291.02 = 131,268.20/x
  3. Step 3: Cross multiply
    216,037.40x = 298,291.02 × 131,268.20
  4. Step 4: Simplify right side
    216,037.40x = 39,156,125,271.56
  5. Step 5: Solve for x
    x = 39,156,125,271.56/216,037.40
  6. Step 6: Final answer
    x = 181,246.98

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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.