Home / 108,688.96-149,987.22-60,290.68

Finding the Fourth Proportional to 108,688.96, 149,987.22 and 60,290.68

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Solution

The fourth proportional to 108,688.96, 149,987.22 and 60,290.68 is: 83,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,688.96 : 149,987.22 = 60,290.68 : x
  2. Step 2: Convert to fraction form
    108,688.96/149,987.22 = 60,290.68/x
  3. Step 3: Cross multiply
    108,688.96x = 149,987.22 × 60,290.68
  4. Step 4: Simplify right side
    108,688.96x = 9,042,831,485.11
  5. Step 5: Solve for x
    x = 9,042,831,485.11/108,688.96
  6. Step 6: Final answer
    x = 83,199.17

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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.