Home / 143,095.71-197,561.12-110,771.85

Finding the Fourth Proportional to 143,095.71, 197,561.12 and 110,771.85

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Solution

The fourth proportional to 143,095.71, 197,561.12 and 110,771.85 is: 152,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,095.71 : 197,561.12 = 110,771.85 : x
  2. Step 2: Convert to fraction form
    143,095.71/197,561.12 = 110,771.85/x
  3. Step 3: Cross multiply
    143,095.71x = 197,561.12 × 110,771.85
  4. Step 4: Simplify right side
    143,095.71x = 21,884,210,196.61
  5. Step 5: Solve for x
    x = 21,884,210,196.61/143,095.71
  6. Step 6: Final answer
    x = 152,934.08

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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.