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Finding the Fourth Proportional to 114,948.37, 158,630.16 and 64,647.37

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Solution

The fourth proportional to 114,948.37, 158,630.16 and 64,647.37 is: 89,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,948.37 : 158,630.16 = 64,647.37 : x
  2. Step 2: Convert to fraction form
    114,948.37/158,630.16 = 64,647.37/x
  3. Step 3: Cross multiply
    114,948.37x = 158,630.16 × 64,647.37
  4. Step 4: Simplify right side
    114,948.37x = 10,255,022,646.68
  5. Step 5: Solve for x
    x = 10,255,022,646.68/114,948.37
  6. Step 6: Final answer
    x = 89,214.16

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1.5x scale

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.