Home / 213,990.69-295,307.15-118,497.45

Finding the Fourth Proportional to 213,990.69, 295,307.15 and 118,497.45

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Solution

The fourth proportional to 213,990.69, 295,307.15 and 118,497.45 is: 163,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,990.69 : 295,307.15 = 118,497.45 : x
  2. Step 2: Convert to fraction form
    213,990.69/295,307.15 = 118,497.45/x
  3. Step 3: Cross multiply
    213,990.69x = 295,307.15 × 118,497.45
  4. Step 4: Simplify right side
    213,990.69x = 34,993,143,649.28
  5. Step 5: Solve for x
    x = 34,993,143,649.28/213,990.69
  6. Step 6: Final answer
    x = 163,526.48

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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.