Home / 136,806.48-205,241.33-43,312.23

Finding the Fourth Proportional to 136,806.48, 205,241.33 and 43,312.23

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Solution

The fourth proportional to 136,806.48, 205,241.33 and 43,312.23 is: 64,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,806.48 : 205,241.33 = 43,312.23 : x
  2. Step 2: Convert to fraction form
    136,806.48/205,241.33 = 43,312.23/x
  3. Step 3: Cross multiply
    136,806.48x = 205,241.33 × 43,312.23
  4. Step 4: Simplify right side
    136,806.48x = 8,889,459,473.90
  5. Step 5: Solve for x
    x = 8,889,459,473.90/136,806.48
  6. Step 6: Final answer
    x = 64,978.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.