Home / 213,612.45-294,787.08-118,125.60

Finding the Fourth Proportional to 213,612.45, 294,787.08 and 118,125.60

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Solution

The fourth proportional to 213,612.45, 294,787.08 and 118,125.60 is: 163,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,612.45 : 294,787.08 = 118,125.60 : x
  2. Step 2: Convert to fraction form
    213,612.45/294,787.08 = 118,125.60/x
  3. Step 3: Cross multiply
    213,612.45x = 294,787.08 × 118,125.60
  4. Step 4: Simplify right side
    213,612.45x = 34,821,900,697.25
  5. Step 5: Solve for x
    x = 34,821,900,697.25/213,612.45
  6. Step 6: Final answer
    x = 163,014.38

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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.