Home / 108,685.66-149,984.29-60,938.86

Finding the Fourth Proportional to 108,685.66, 149,984.29 and 60,938.86

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Solution

The fourth proportional to 108,685.66, 149,984.29 and 60,938.86 is: 84,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,685.66 : 149,984.29 = 60,938.86 : x
  2. Step 2: Convert to fraction form
    108,685.66/149,984.29 = 60,938.86/x
  3. Step 3: Cross multiply
    108,685.66x = 149,984.29 × 60,938.86
  4. Step 4: Simplify right side
    108,685.66x = 9,139,871,650.51
  5. Step 5: Solve for x
    x = 9,139,871,650.51/108,685.66
  6. Step 6: Final answer
    x = 84,094.55

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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.