Home / 103,897.41-143,379.08-56,150.64

Finding the Fourth Proportional to 103,897.41, 143,379.08 and 56,150.64

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Solution

The fourth proportional to 103,897.41, 143,379.08 and 56,150.64 is: 77,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,897.41 : 143,379.08 = 56,150.64 : x
  2. Step 2: Convert to fraction form
    103,897.41/143,379.08 = 56,150.64/x
  3. Step 3: Cross multiply
    103,897.41x = 143,379.08 × 56,150.64
  4. Step 4: Simplify right side
    103,897.41x = 8,050,827,104.61
  5. Step 5: Solve for x
    x = 8,050,827,104.61/103,897.41
  6. Step 6: Final answer
    x = 77,488.24

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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.