Home / 213,516.80-294,648-118,021.04

Finding the Fourth Proportional to 213,516.80, 294,648 and 118,021.04

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Solution

The fourth proportional to 213,516.80, 294,648 and 118,021.04 is: 162,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,516.80 : 294,648 = 118,021.04 : x
  2. Step 2: Convert to fraction form
    213,516.80/294,648 = 118,021.04/x
  3. Step 3: Cross multiply
    213,516.80x = 294,648 × 118,021.04
  4. Step 4: Simplify right side
    213,516.80x = 34,774,663,393.92
  5. Step 5: Solve for x
    x = 34,774,663,393.92/213,516.80
  6. Step 6: Final answer
    x = 162,866.17

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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.