Home / 103,984.58-143,498.73-56,237.93

Finding the Fourth Proportional to 103,984.58, 143,498.73 and 56,237.93

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Solution

The fourth proportional to 103,984.58, 143,498.73 and 56,237.93 is: 77,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,984.58 : 143,498.73 = 56,237.93 : x
  2. Step 2: Convert to fraction form
    103,984.58/143,498.73 = 56,237.93/x
  3. Step 3: Cross multiply
    103,984.58x = 143,498.73 × 56,237.93
  4. Step 4: Simplify right side
    103,984.58x = 8,070,071,431.01
  5. Step 5: Solve for x
    x = 8,070,071,431.01/103,984.58
  6. Step 6: Final answer
    x = 77,608.35

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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.