Home / 108,430.50-149,634.84-60,688.26

Finding the Fourth Proportional to 108,430.50, 149,634.84 and 60,688.26

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Solution

The fourth proportional to 108,430.50, 149,634.84 and 60,688.26 is: 83,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,430.50 : 149,634.84 = 60,688.26 : x
  2. Step 2: Convert to fraction form
    108,430.50/149,634.84 = 60,688.26/x
  3. Step 3: Cross multiply
    108,430.50x = 149,634.84 × 60,688.26
  4. Step 4: Simplify right side
    108,430.50x = 9,081,078,074.98
  5. Step 5: Solve for x
    x = 9,081,078,074.98/108,430.50
  6. Step 6: Final answer
    x = 83,750.22

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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.