Home / 142,289.10-213,433.65-133,073.10

Finding the Fourth Proportional to 142,289.10, 213,433.65 and 133,073.10

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Solution

The fourth proportional to 142,289.10, 213,433.65 and 133,073.10 is: 199,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,289.10 : 213,433.65 = 133,073.10 : x
  2. Step 2: Convert to fraction form
    142,289.10/213,433.65 = 133,073.10/x
  3. Step 3: Cross multiply
    142,289.10x = 213,433.65 × 133,073.10
  4. Step 4: Simplify right side
    142,289.10x = 28,402,277,449.82
  5. Step 5: Solve for x
    x = 28,402,277,449.82/142,289.10
  6. Step 6: Final answer
    x = 199,609.65

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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.