Home / 108,110.56-149,110.47-93,028.49

Finding the Fourth Proportional to 108,110.56, 149,110.47 and 93,028.49

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Solution

The fourth proportional to 108,110.56, 149,110.47 and 93,028.49 is: 128,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,110.56 : 149,110.47 = 93,028.49 : x
  2. Step 2: Convert to fraction form
    108,110.56/149,110.47 = 93,028.49/x
  3. Step 3: Cross multiply
    108,110.56x = 149,110.47 × 93,028.49
  4. Step 4: Simplify right side
    108,110.56x = 13,871,521,402.15
  5. Step 5: Solve for x
    x = 13,871,521,402.15/108,110.56
  6. Step 6: Final answer
    x = 128,308.67

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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.