Home / 212,999.07-293,937.08-117,509.79

Finding the Fourth Proportional to 212,999.07, 293,937.08 and 117,509.79

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Solution

The fourth proportional to 212,999.07, 293,937.08 and 117,509.79 is: 162,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,999.07 : 293,937.08 = 117,509.79 : x
  2. Step 2: Convert to fraction form
    212,999.07/293,937.08 = 117,509.79/x
  3. Step 3: Cross multiply
    212,999.07x = 293,937.08 × 117,509.79
  4. Step 4: Simplify right side
    212,999.07x = 34,540,483,956.46
  5. Step 5: Solve for x
    x = 34,540,483,956.46/212,999.07
  6. Step 6: Final answer
    x = 162,162.60

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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.