Home / 108,447.32-149,657.14-60,709.84

Finding the Fourth Proportional to 108,447.32, 149,657.14 and 60,709.84

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Solution

The fourth proportional to 108,447.32, 149,657.14 and 60,709.84 is: 83,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,447.32 : 149,657.14 = 60,709.84 : x
  2. Step 2: Convert to fraction form
    108,447.32/149,657.14 = 60,709.84/x
  3. Step 3: Cross multiply
    108,447.32x = 149,657.14 × 60,709.84
  4. Step 4: Simplify right side
    108,447.32x = 9,085,661,024.26
  5. Step 5: Solve for x
    x = 9,085,661,024.26/108,447.32
  6. Step 6: Final answer
    x = 83,779.49

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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.