Home / 104,061.93-143,605.91-56,315.28

Finding the Fourth Proportional to 104,061.93, 143,605.91 and 56,315.28

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Solution

The fourth proportional to 104,061.93, 143,605.91 and 56,315.28 is: 77,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,061.93 : 143,605.91 = 56,315.28 : x
  2. Step 2: Convert to fraction form
    104,061.93/143,605.91 = 56,315.28/x
  3. Step 3: Cross multiply
    104,061.93x = 143,605.91 × 56,315.28
  4. Step 4: Simplify right side
    104,061.93x = 8,087,207,031.30
  5. Step 5: Solve for x
    x = 8,087,207,031.30/104,061.93
  6. Step 6: Final answer
    x = 77,715.33

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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.