Home / 196,002.90-294,152.31-143,548.38

Finding the Fourth Proportional to 196,002.90, 294,152.31 and 143,548.38

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Solution

The fourth proportional to 196,002.90, 294,152.31 and 143,548.38 is: 215,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,002.90 : 294,152.31 = 143,548.38 : x
  2. Step 2: Convert to fraction form
    196,002.90/294,152.31 = 143,548.38/x
  3. Step 3: Cross multiply
    196,002.90x = 294,152.31 × 143,548.38
  4. Step 4: Simplify right side
    196,002.90x = 42,225,087,573.76
  5. Step 5: Solve for x
    x = 42,225,087,573.76/196,002.90
  6. Step 6: Final answer
    x = 215,430.93

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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.