Home / 108,430.50-149,637.48-60,683.76

Finding the Fourth Proportional to 108,430.50, 149,637.48 and 60,683.76

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Solution

The fourth proportional to 108,430.50, 149,637.48 and 60,683.76 is: 83,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,430.50 : 149,637.48 = 60,683.76 : x
  2. Step 2: Convert to fraction form
    108,430.50/149,637.48 = 60,683.76/x
  3. Step 3: Cross multiply
    108,430.50x = 149,637.48 × 60,683.76
  4. Step 4: Simplify right side
    108,430.50x = 9,080,564,923.32
  5. Step 5: Solve for x
    x = 9,080,564,923.32/108,430.50
  6. Step 6: Final answer
    x = 83,745.49

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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.