Home / 103,546.02-142,823.27-67,182.50

Finding the Fourth Proportional to 103,546.02, 142,823.27 and 67,182.50

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Solution

The fourth proportional to 103,546.02, 142,823.27 and 67,182.50 is: 92,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,546.02 : 142,823.27 = 67,182.50 : x
  2. Step 2: Convert to fraction form
    103,546.02/142,823.27 = 67,182.50/x
  3. Step 3: Cross multiply
    103,546.02x = 142,823.27 × 67,182.50
  4. Step 4: Simplify right side
    103,546.02x = 9,595,223,286.75
  5. Step 5: Solve for x
    x = 9,595,223,286.75/103,546.02
  6. Step 6: Final answer
    x = 92,666.27

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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.