Home / 212,945.84-293,866.08-117,451.16

Finding the Fourth Proportional to 212,945.84, 293,866.08 and 117,451.16

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Solution

The fourth proportional to 212,945.84, 293,866.08 and 117,451.16 is: 162,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,945.84 : 293,866.08 = 117,451.16 : x
  2. Step 2: Convert to fraction form
    212,945.84/293,866.08 = 117,451.16/x
  3. Step 3: Cross multiply
    212,945.84x = 293,866.08 × 117,451.16
  4. Step 4: Simplify right side
    212,945.84x = 34,514,911,980.65
  5. Step 5: Solve for x
    x = 34,514,911,980.65/212,945.84
  6. Step 6: Final answer
    x = 162,083.05

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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.