Home / 144,973.73-200,063.32-81,312.93

Finding the Fourth Proportional to 144,973.73, 200,063.32 and 81,312.93

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Solution

The fourth proportional to 144,973.73, 200,063.32 and 81,312.93 is: 112,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,973.73 : 200,063.32 = 81,312.93 : x
  2. Step 2: Convert to fraction form
    144,973.73/200,063.32 = 81,312.93/x
  3. Step 3: Cross multiply
    144,973.73x = 200,063.32 × 81,312.93
  4. Step 4: Simplify right side
    144,973.73x = 16,267,734,734.73
  5. Step 5: Solve for x
    x = 16,267,734,734.73/144,973.73
  6. Step 6: Final answer
    x = 112,211.60

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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.