Home / 143,442.09-197,946.59-83,004.35

Finding the Fourth Proportional to 143,442.09, 197,946.59 and 83,004.35

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Solution

The fourth proportional to 143,442.09, 197,946.59 and 83,004.35 is: 114,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,442.09 : 197,946.59 = 83,004.35 : x
  2. Step 2: Convert to fraction form
    143,442.09/197,946.59 = 83,004.35/x
  3. Step 3: Cross multiply
    143,442.09x = 197,946.59 × 83,004.35
  4. Step 4: Simplify right side
    143,442.09x = 16,430,426,632.91
  5. Step 5: Solve for x
    x = 16,430,426,632.91/143,442.09
  6. Step 6: Final answer
    x = 114,543.97

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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.