Home / 213,875.19-295,116.85-118,381.65

Finding the Fourth Proportional to 213,875.19, 295,116.85 and 118,381.65

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Solution

The fourth proportional to 213,875.19, 295,116.85 and 118,381.65 is: 163,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,875.19 : 295,116.85 = 118,381.65 : x
  2. Step 2: Convert to fraction form
    213,875.19/295,116.85 = 118,381.65/x
  3. Step 3: Cross multiply
    213,875.19x = 295,116.85 × 118,381.65
  4. Step 4: Simplify right side
    213,875.19x = 34,936,419,645.80
  5. Step 5: Solve for x
    x = 34,936,419,645.80/213,875.19
  6. Step 6: Final answer
    x = 163,349.57

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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.