Home / 143,160.30-197,582.76-103,006.98

Finding the Fourth Proportional to 143,160.30, 197,582.76 and 103,006.98

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Solution

The fourth proportional to 143,160.30, 197,582.76 and 103,006.98 is: 142,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,160.30 : 197,582.76 = 103,006.98 : x
  2. Step 2: Convert to fraction form
    143,160.30/197,582.76 = 103,006.98/x
  3. Step 3: Cross multiply
    143,160.30x = 197,582.76 × 103,006.98
  4. Step 4: Simplify right side
    143,160.30x = 20,352,403,407.66
  5. Step 5: Solve for x
    x = 20,352,403,407.66/143,160.30
  6. Step 6: Final answer
    x = 142,165.14

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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.