Home / 213,120.83-294,085.80-117,621.35

Finding the Fourth Proportional to 213,120.83, 294,085.80 and 117,621.35

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Solution

The fourth proportional to 213,120.83, 294,085.80 and 117,621.35 is: 162,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,120.83 : 294,085.80 = 117,621.35 : x
  2. Step 2: Convert to fraction form
    213,120.83/294,085.80 = 117,621.35/x
  3. Step 3: Cross multiply
    213,120.83x = 294,085.80 × 117,621.35
  4. Step 4: Simplify right side
    213,120.83x = 34,590,769,547.04
  5. Step 5: Solve for x
    x = 34,590,769,547.04/213,120.83
  6. Step 6: Final answer
    x = 162,305.91

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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.