Home / 108,232.34-149,366.53-60,485.78

Finding the Fourth Proportional to 108,232.34, 149,366.53 and 60,485.78

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Solution

The fourth proportional to 108,232.34, 149,366.53 and 60,485.78 is: 83,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,232.34 : 149,366.53 = 60,485.78 : x
  2. Step 2: Convert to fraction form
    108,232.34/149,366.53 = 60,485.78/x
  3. Step 3: Cross multiply
    108,232.34x = 149,366.53 × 60,485.78
  4. Step 4: Simplify right side
    108,232.34x = 9,034,551,072.94
  5. Step 5: Solve for x
    x = 9,034,551,072.94/108,232.34
  6. Step 6: Final answer
    x = 83,473.67

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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.