Home / 145,663.18-200,968.26-88,325.50

Finding the Fourth Proportional to 145,663.18, 200,968.26 and 88,325.50

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Solution

The fourth proportional to 145,663.18, 200,968.26 and 88,325.50 is: 121,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,663.18 : 200,968.26 = 88,325.50 : x
  2. Step 2: Convert to fraction form
    145,663.18/200,968.26 = 88,325.50/x
  3. Step 3: Cross multiply
    145,663.18x = 200,968.26 × 88,325.50
  4. Step 4: Simplify right side
    145,663.18x = 17,750,622,048.63
  5. Step 5: Solve for x
    x = 17,750,622,048.63/145,663.18
  6. Step 6: Final answer
    x = 121,860.73

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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.