Home / 103,842.23-143,302.19-56,095.56

Finding the Fourth Proportional to 103,842.23, 143,302.19 and 56,095.56

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Solution

The fourth proportional to 103,842.23, 143,302.19 and 56,095.56 is: 77,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,842.23 : 143,302.19 = 56,095.56 : x
  2. Step 2: Convert to fraction form
    103,842.23/143,302.19 = 56,095.56/x
  3. Step 3: Cross multiply
    103,842.23x = 143,302.19 × 56,095.56
  4. Step 4: Simplify right side
    103,842.23x = 8,038,616,316.80
  5. Step 5: Solve for x
    x = 8,038,616,316.80/103,842.23
  6. Step 6: Final answer
    x = 77,411.83

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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.