Home / 104,623.84-144,381-56,877.04

Finding the Fourth Proportional to 104,623.84, 144,381 and 56,877.04

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Solution

The fourth proportional to 104,623.84, 144,381 and 56,877.04 is: 78,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.84 : 144,381 = 56,877.04 : x
  2. Step 2: Convert to fraction form
    104,623.84/144,381 = 56,877.04/x
  3. Step 3: Cross multiply
    104,623.84x = 144,381 × 56,877.04
  4. Step 4: Simplify right side
    104,623.84x = 8,211,963,912.24
  5. Step 5: Solve for x
    x = 8,211,963,912.24/104,623.84
  6. Step 6: Final answer
    x = 78,490.37

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1.5x scale

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.