Home / 144,302.90-216,458.05-68,383.63

Finding the Fourth Proportional to 144,302.90, 216,458.05 and 68,383.63

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Solution

The fourth proportional to 144,302.90, 216,458.05 and 68,383.63 is: 102,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,302.90 : 216,458.05 = 68,383.63 : x
  2. Step 2: Convert to fraction form
    144,302.90/216,458.05 = 68,383.63/x
  3. Step 3: Cross multiply
    144,302.90x = 216,458.05 × 68,383.63
  4. Step 4: Simplify right side
    144,302.90x = 14,802,185,777.51
  5. Step 5: Solve for x
    x = 14,802,185,777.51/144,302.90
  6. Step 6: Final answer
    x = 102,577.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.