Home / 106,985.64-147,645.24-64,543.26

Finding the Fourth Proportional to 106,985.64, 147,645.24 and 64,543.26

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Solution

The fourth proportional to 106,985.64, 147,645.24 and 64,543.26 is: 89,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,985.64 : 147,645.24 = 64,543.26 : x
  2. Step 2: Convert to fraction form
    106,985.64/147,645.24 = 64,543.26/x
  3. Step 3: Cross multiply
    106,985.64x = 147,645.24 × 64,543.26
  4. Step 4: Simplify right side
    106,985.64x = 9,529,505,113.08
  5. Step 5: Solve for x
    x = 9,529,505,113.08/106,985.64
  6. Step 6: Final answer
    x = 89,072.75

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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.