Home / 211,730.76-317,645.55-61,973.51

Finding the Fourth Proportional to 211,730.76, 317,645.55 and 61,973.51

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Solution

The fourth proportional to 211,730.76, 317,645.55 and 61,973.51 is: 92,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,730.76 : 317,645.55 = 61,973.51 : x
  2. Step 2: Convert to fraction form
    211,730.76/317,645.55 = 61,973.51/x
  3. Step 3: Cross multiply
    211,730.76x = 317,645.55 × 61,973.51
  4. Step 4: Simplify right side
    211,730.76x = 19,685,608,081.15
  5. Step 5: Solve for x
    x = 19,685,608,081.15/211,730.76
  6. Step 6: Final answer
    x = 92,974.72

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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.