Home / 104,038.87-143,572.62-56,291.17

Finding the Fourth Proportional to 104,038.87, 143,572.62 and 56,291.17

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Solution

The fourth proportional to 104,038.87, 143,572.62 and 56,291.17 is: 77,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.87 : 143,572.62 = 56,291.17 : x
  2. Step 2: Convert to fraction form
    104,038.87/143,572.62 = 56,291.17/x
  3. Step 3: Cross multiply
    104,038.87x = 143,572.62 × 56,291.17
  4. Step 4: Simplify right side
    104,038.87x = 8,081,870,759.77
  5. Step 5: Solve for x
    x = 8,081,870,759.77/104,038.87
  6. Step 6: Final answer
    x = 77,681.26

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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.