Home / 104,038.88-143,572.60-56,291.16

Finding the Fourth Proportional to 104,038.88, 143,572.60 and 56,291.16

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Solution

The fourth proportional to 104,038.88, 143,572.60 and 56,291.16 is: 77,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.88 : 143,572.60 = 56,291.16 : x
  2. Step 2: Convert to fraction form
    104,038.88/143,572.60 = 56,291.16/x
  3. Step 3: Cross multiply
    104,038.88x = 143,572.60 × 56,291.16
  4. Step 4: Simplify right side
    104,038.88x = 8,081,868,198.22
  5. Step 5: Solve for x
    x = 8,081,868,198.22/104,038.88
  6. Step 6: Final answer
    x = 77,681.23

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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.