Home / 106,948.20-160,076.70-83,447.40

Finding the Fourth Proportional to 106,948.20, 160,076.70 and 83,447.40

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Solution

The fourth proportional to 106,948.20, 160,076.70 and 83,447.40 is: 124,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,948.20 : 160,076.70 = 83,447.40 : x
  2. Step 2: Convert to fraction form
    106,948.20/160,076.70 = 83,447.40/x
  3. Step 3: Cross multiply
    106,948.20x = 160,076.70 × 83,447.40
  4. Step 4: Simplify right side
    106,948.20x = 13,357,984,415.58
  5. Step 5: Solve for x
    x = 13,357,984,415.58/106,948.20
  6. Step 6: Final answer
    x = 124,901.44

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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.