Home / 145,997.40-219,022.02-57,292.68

Finding the Fourth Proportional to 145,997.40, 219,022.02 and 57,292.68

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Solution

The fourth proportional to 145,997.40, 219,022.02 and 57,292.68 is: 85,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,997.40 : 219,022.02 = 57,292.68 : x
  2. Step 2: Convert to fraction form
    145,997.40/219,022.02 = 57,292.68/x
  3. Step 3: Cross multiply
    145,997.40x = 219,022.02 × 57,292.68
  4. Step 4: Simplify right side
    145,997.40x = 12,548,358,504.81
  5. Step 5: Solve for x
    x = 12,548,358,504.81/145,997.40
  6. Step 6: Final answer
    x = 85,949.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.