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Finding the Fourth Proportional to 214,130.51, 295,487.75 and 118,631.51

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Solution

The fourth proportional to 214,130.51, 295,487.75 and 118,631.51 is: 163,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,130.51 : 295,487.75 = 118,631.51 : x
  2. Step 2: Convert to fraction form
    214,130.51/295,487.75 = 118,631.51/x
  3. Step 3: Cross multiply
    214,130.51x = 295,487.75 × 118,631.51
  4. Step 4: Simplify right side
    214,130.51x = 35,054,155,898.41
  5. Step 5: Solve for x
    x = 35,054,155,898.41/214,130.51
  6. Step 6: Final answer
    x = 163,704.63

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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.