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Finding the Fourth Proportional to 214,130.80, 295,502.88 and 118,639

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Solution

The fourth proportional to 214,130.80, 295,502.88 and 118,639 is: 163,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,130.80 : 295,502.88 = 118,639 : x
  2. Step 2: Convert to fraction form
    214,130.80/295,502.88 = 118,639/x
  3. Step 3: Cross multiply
    214,130.80x = 295,502.88 × 118,639
  4. Step 4: Simplify right side
    214,130.80x = 35,058,166,180.32
  5. Step 5: Solve for x
    x = 35,058,166,180.32/214,130.80
  6. Step 6: Final answer
    x = 163,723.14

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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.