Home / 212,122.83-292,722.01-116,628.78

Finding the Fourth Proportional to 212,122.83, 292,722.01 and 116,628.78

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Solution

The fourth proportional to 212,122.83, 292,722.01 and 116,628.78 is: 160,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,122.83 : 292,722.01 = 116,628.78 : x
  2. Step 2: Convert to fraction form
    212,122.83/292,722.01 = 116,628.78/x
  3. Step 3: Cross multiply
    212,122.83x = 292,722.01 × 116,628.78
  4. Step 4: Simplify right side
    212,122.83x = 34,139,810,905.45
  5. Step 5: Solve for x
    x = 34,139,810,905.45/212,122.83
  6. Step 6: Final answer
    x = 160,943.60

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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.