Home / 102,588.69-141,574.78-64,349.86

Finding the Fourth Proportional to 102,588.69, 141,574.78 and 64,349.86

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Solution

The fourth proportional to 102,588.69, 141,574.78 and 64,349.86 is: 88,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,588.69 : 141,574.78 = 64,349.86 : x
  2. Step 2: Convert to fraction form
    102,588.69/141,574.78 = 64,349.86/x
  3. Step 3: Cross multiply
    102,588.69x = 141,574.78 × 64,349.86
  4. Step 4: Simplify right side
    102,588.69x = 9,110,317,272.53
  5. Step 5: Solve for x
    x = 9,110,317,272.53/102,588.69
  6. Step 6: Final answer
    x = 88,804.30

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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.