Home / 135,543.27-203,127.95-97,802.64

Finding the Fourth Proportional to 135,543.27, 203,127.95 and 97,802.64

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Solution

The fourth proportional to 135,543.27, 203,127.95 and 97,802.64 is: 146,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,543.27 : 203,127.95 = 97,802.64 : x
  2. Step 2: Convert to fraction form
    135,543.27/203,127.95 = 97,802.64/x
  3. Step 3: Cross multiply
    135,543.27x = 203,127.95 × 97,802.64
  4. Step 4: Simplify right side
    135,543.27x = 19,866,450,012.29
  5. Step 5: Solve for x
    x = 19,866,450,012.29/135,543.27
  6. Step 6: Final answer
    x = 146,569.06

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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.