Home / 104,038.20-143,572.44-56,291.52

Finding the Fourth Proportional to 104,038.20, 143,572.44 and 56,291.52

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Solution

The fourth proportional to 104,038.20, 143,572.44 and 56,291.52 is: 77,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.20 : 143,572.44 = 56,291.52 : x
  2. Step 2: Convert to fraction form
    104,038.20/143,572.44 = 56,291.52/x
  3. Step 3: Cross multiply
    104,038.20x = 143,572.44 × 56,291.52
  4. Step 4: Simplify right side
    104,038.20x = 8,081,910,877.71
  5. Step 5: Solve for x
    x = 8,081,910,877.71/104,038.20
  6. Step 6: Final answer
    x = 77,682.15

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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.