Home / 212,112.52-292,707.75-116,618.47

Finding the Fourth Proportional to 212,112.52, 292,707.75 and 116,618.47

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Solution

The fourth proportional to 212,112.52, 292,707.75 and 116,618.47 is: 160,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,112.52 : 292,707.75 = 116,618.47 : x
  2. Step 2: Convert to fraction form
    212,112.52/292,707.75 = 116,618.47/x
  3. Step 3: Cross multiply
    212,112.52x = 292,707.75 × 116,618.47
  4. Step 4: Simplify right side
    212,112.52x = 34,135,129,962.14
  5. Step 5: Solve for x
    x = 34,135,129,962.14/212,112.52
  6. Step 6: Final answer
    x = 160,929.35

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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.