Home / 213,638.67-294,895.55-123,030.70

Finding the Fourth Proportional to 213,638.67, 294,895.55 and 123,030.70

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Solution

The fourth proportional to 213,638.67, 294,895.55 and 123,030.70 is: 169,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,638.67 : 294,895.55 = 123,030.70 : x
  2. Step 2: Convert to fraction form
    213,638.67/294,895.55 = 123,030.70/x
  3. Step 3: Cross multiply
    213,638.67x = 294,895.55 × 123,030.70
  4. Step 4: Simplify right side
    213,638.67x = 36,281,207,172.51
  5. Step 5: Solve for x
    x = 36,281,207,172.51/213,638.67
  6. Step 6: Final answer
    x = 169,825.09

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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.