Home / 129,158.02-193,736.76-35,663.50

Finding the Fourth Proportional to 129,158.02, 193,736.76 and 35,663.50

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Solution

The fourth proportional to 129,158.02, 193,736.76 and 35,663.50 is: 53,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,158.02 : 193,736.76 = 35,663.50 : x
  2. Step 2: Convert to fraction form
    129,158.02/193,736.76 = 35,663.50/x
  3. Step 3: Cross multiply
    129,158.02x = 193,736.76 × 35,663.50
  4. Step 4: Simplify right side
    129,158.02x = 6,909,330,940.26
  5. Step 5: Solve for x
    x = 6,909,330,940.26/129,158.02
  6. Step 6: Final answer
    x = 53,495.18

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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.