Home / 101,889.09-140,607.50-56,566.35

Finding the Fourth Proportional to 101,889.09, 140,607.50 and 56,566.35

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Solution

The fourth proportional to 101,889.09, 140,607.50 and 56,566.35 is: 78,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,889.09 : 140,607.50 = 56,566.35 : x
  2. Step 2: Convert to fraction form
    101,889.09/140,607.50 = 56,566.35/x
  3. Step 3: Cross multiply
    101,889.09x = 140,607.50 × 56,566.35
  4. Step 4: Simplify right side
    101,889.09x = 7,953,652,774.79
  5. Step 5: Solve for x
    x = 7,953,652,774.79/101,889.09
  6. Step 6: Final answer
    x = 78,061.87

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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.