Home / 104,177.09-143,763.50-56,430.32

Finding the Fourth Proportional to 104,177.09, 143,763.50 and 56,430.32

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Solution

The fourth proportional to 104,177.09, 143,763.50 and 56,430.32 is: 77,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,177.09 : 143,763.50 = 56,430.32 : x
  2. Step 2: Convert to fraction form
    104,177.09/143,763.50 = 56,430.32/x
  3. Step 3: Cross multiply
    104,177.09x = 143,763.50 × 56,430.32
  4. Step 4: Simplify right side
    104,177.09x = 8,112,619,308.35
  5. Step 5: Solve for x
    x = 8,112,619,308.35/104,177.09
  6. Step 6: Final answer
    x = 77,873.36

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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.