Home / 161,534.84-242,302.32-72,684.56

Finding the Fourth Proportional to 161,534.84, 242,302.32 and 72,684.56

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Solution

The fourth proportional to 161,534.84, 242,302.32 and 72,684.56 is: 109,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,534.84 : 242,302.32 = 72,684.56 : x
  2. Step 2: Convert to fraction form
    161,534.84/242,302.32 = 72,684.56/x
  3. Step 3: Cross multiply
    161,534.84x = 242,302.32 × 72,684.56
  4. Step 4: Simplify right side
    161,534.84x = 17,611,637,516.18
  5. Step 5: Solve for x
    x = 17,611,637,516.18/161,534.84
  6. Step 6: Final answer
    x = 109,026.87

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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.