Home / 213,991.16-295,278.84-118,495.40

Finding the Fourth Proportional to 213,991.16, 295,278.84 and 118,495.40

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Solution

The fourth proportional to 213,991.16, 295,278.84 and 118,495.40 is: 163,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,991.16 : 295,278.84 = 118,495.40 : x
  2. Step 2: Convert to fraction form
    213,991.16/295,278.84 = 118,495.40/x
  3. Step 3: Cross multiply
    213,991.16x = 295,278.84 × 118,495.40
  4. Step 4: Simplify right side
    213,991.16x = 34,989,184,257.34
  5. Step 5: Solve for x
    x = 34,989,184,257.34/213,991.16
  6. Step 6: Final answer
    x = 163,507.62

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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.