Home / 143,051.17-197,397.58-84,897.88

Finding the Fourth Proportional to 143,051.17, 197,397.58 and 84,897.88

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Solution

The fourth proportional to 143,051.17, 197,397.58 and 84,897.88 is: 117,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,051.17 : 197,397.58 = 84,897.88 : x
  2. Step 2: Convert to fraction form
    143,051.17/197,397.58 = 84,897.88/x
  3. Step 3: Cross multiply
    143,051.17x = 197,397.58 × 84,897.88
  4. Step 4: Simplify right side
    143,051.17x = 16,758,634,647.65
  5. Step 5: Solve for x
    x = 16,758,634,647.65/143,051.17
  6. Step 6: Final answer
    x = 117,151.33

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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.