Home / 101,886.09-140,603.37-56,563.35

Finding the Fourth Proportional to 101,886.09, 140,603.37 and 56,563.35

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Solution

The fourth proportional to 101,886.09, 140,603.37 and 56,563.35 is: 78,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,886.09 : 140,603.37 = 56,563.35 : x
  2. Step 2: Convert to fraction form
    101,886.09/140,603.37 = 56,563.35/x
  3. Step 3: Cross multiply
    101,886.09x = 140,603.37 × 56,563.35
  4. Step 4: Simplify right side
    101,886.09x = 7,952,997,628.49
  5. Step 5: Solve for x
    x = 7,952,997,628.49/101,886.09
  6. Step 6: Final answer
    x = 78,057.74

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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.