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Finding the Fourth Proportional to 110,116.16, 151,956 and 62,372.16

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Solution

The fourth proportional to 110,116.16, 151,956 and 62,372.16 is: 86,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,116.16 : 151,956 = 62,372.16 : x
  2. Step 2: Convert to fraction form
    110,116.16/151,956 = 62,372.16/x
  3. Step 3: Cross multiply
    110,116.16x = 151,956 × 62,372.16
  4. Step 4: Simplify right side
    110,116.16x = 9,477,823,944.96
  5. Step 5: Solve for x
    x = 9,477,823,944.96/110,116.16
  6. Step 6: Final answer
    x = 86,071.14

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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.