Home / 213,637.42-294,730.59-122,971.69

Finding the Fourth Proportional to 213,637.42, 294,730.59 and 122,971.69

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Solution

The fourth proportional to 213,637.42, 294,730.59 and 122,971.69 is: 169,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,637.42 : 294,730.59 = 122,971.69 : x
  2. Step 2: Convert to fraction form
    213,637.42/294,730.59 = 122,971.69/x
  3. Step 3: Cross multiply
    213,637.42x = 294,730.59 × 122,971.69
  4. Step 4: Simplify right side
    213,637.42x = 36,243,518,747.00
  5. Step 5: Solve for x
    x = 36,243,518,747.00/213,637.42
  6. Step 6: Final answer
    x = 169,649.67

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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.