Home / 101,088.96-139,501.08-55,771.26

Finding the Fourth Proportional to 101,088.96, 139,501.08 and 55,771.26

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Solution

The fourth proportional to 101,088.96, 139,501.08 and 55,771.26 is: 76,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,088.96 : 139,501.08 = 55,771.26 : x
  2. Step 2: Convert to fraction form
    101,088.96/139,501.08 = 55,771.26/x
  3. Step 3: Cross multiply
    101,088.96x = 139,501.08 × 55,771.26
  4. Step 4: Simplify right side
    101,088.96x = 7,780,151,002.96
  5. Step 5: Solve for x
    x = 7,780,151,002.96/101,088.96
  6. Step 6: Final answer
    x = 76,963.41

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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.