Home / 213,612.36-294,788.34-118,117.32

Finding the Fourth Proportional to 213,612.36, 294,788.34 and 118,117.32

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Solution

The fourth proportional to 213,612.36, 294,788.34 and 118,117.32 is: 163,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,612.36 : 294,788.34 = 118,117.32 : x
  2. Step 2: Convert to fraction form
    213,612.36/294,788.34 = 118,117.32/x
  3. Step 3: Cross multiply
    213,612.36x = 294,788.34 × 118,117.32
  4. Step 4: Simplify right side
    213,612.36x = 34,819,608,688.05
  5. Step 5: Solve for x
    x = 34,819,608,688.05/213,612.36
  6. Step 6: Final answer
    x = 163,003.72

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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.