Home / 101,618.19-140,226.08-56,291.94

Finding the Fourth Proportional to 101,618.19, 140,226.08 and 56,291.94

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Solution

The fourth proportional to 101,618.19, 140,226.08 and 56,291.94 is: 77,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,618.19 : 140,226.08 = 56,291.94 : x
  2. Step 2: Convert to fraction form
    101,618.19/140,226.08 = 56,291.94/x
  3. Step 3: Cross multiply
    101,618.19x = 140,226.08 × 56,291.94
  4. Step 4: Simplify right side
    101,618.19x = 7,893,597,800.34
  5. Step 5: Solve for x
    x = 7,893,597,800.34/101,618.19
  6. Step 6: Final answer
    x = 77,678.98

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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.