Home / 101,881.45-140,589.70-56,557.22

Finding the Fourth Proportional to 101,881.45, 140,589.70 and 56,557.22

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Solution

The fourth proportional to 101,881.45, 140,589.70 and 56,557.22 is: 78,045.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,881.45 : 140,589.70 = 56,557.22 : x
  2. Step 2: Convert to fraction form
    101,881.45/140,589.70 = 56,557.22/x
  3. Step 3: Cross multiply
    101,881.45x = 140,589.70 × 56,557.22
  4. Step 4: Simplify right side
    101,881.45x = 7,951,362,592.63
  5. Step 5: Solve for x
    x = 7,951,362,592.63/101,881.45
  6. Step 6: Final answer
    x = 78,045.24

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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.