Home / 108,172.32-149,277.80-60,425.67

Finding the Fourth Proportional to 108,172.32, 149,277.80 and 60,425.67

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Solution

The fourth proportional to 108,172.32, 149,277.80 and 60,425.67 is: 83,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172.32 : 149,277.80 = 60,425.67 : x
  2. Step 2: Convert to fraction form
    108,172.32/149,277.80 = 60,425.67/x
  3. Step 3: Cross multiply
    108,172.32x = 149,277.80 × 60,425.67
  4. Step 4: Simplify right side
    108,172.32x = 9,020,211,081.13
  5. Step 5: Solve for x
    x = 9,020,211,081.13/108,172.32
  6. Step 6: Final answer
    x = 83,387.42

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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.