Home / 108,454.31-149,666.91-60,707.67

Finding the Fourth Proportional to 108,454.31, 149,666.91 and 60,707.67

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Solution

The fourth proportional to 108,454.31, 149,666.91 and 60,707.67 is: 83,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,454.31 : 149,666.91 = 60,707.67 : x
  2. Step 2: Convert to fraction form
    108,454.31/149,666.91 = 60,707.67/x
  3. Step 3: Cross multiply
    108,454.31x = 149,666.91 × 60,707.67
  4. Step 4: Simplify right side
    108,454.31x = 9,085,929,382.20
  5. Step 5: Solve for x
    x = 9,085,929,382.20/108,454.31
  6. Step 6: Final answer
    x = 83,776.57

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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.