Home / 141,971.60-212,957.40-106,542.20

Finding the Fourth Proportional to 141,971.60, 212,957.40 and 106,542.20

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Solution

The fourth proportional to 141,971.60, 212,957.40 and 106,542.20 is: 159,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971.60 : 212,957.40 = 106,542.20 : x
  2. Step 2: Convert to fraction form
    141,971.60/212,957.40 = 106,542.20/x
  3. Step 3: Cross multiply
    141,971.60x = 212,957.40 × 106,542.20
  4. Step 4: Simplify right side
    141,971.60x = 22,688,949,902.28
  5. Step 5: Solve for x
    x = 22,688,949,902.28/141,971.60
  6. Step 6: Final answer
    x = 159,813.30

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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.