Home / 212,009.12-292,579.60-116,519.20

Finding the Fourth Proportional to 212,009.12, 292,579.60 and 116,519.20

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Solution

The fourth proportional to 212,009.12, 292,579.60 and 116,519.20 is: 160,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,009.12 : 292,579.60 = 116,519.20 : x
  2. Step 2: Convert to fraction form
    212,009.12/292,579.60 = 116,519.20/x
  3. Step 3: Cross multiply
    212,009.12x = 292,579.60 × 116,519.20
  4. Step 4: Simplify right side
    212,009.12x = 34,091,140,928.32
  5. Step 5: Solve for x
    x = 34,091,140,928.32/212,009.12
  6. Step 6: Final answer
    x = 160,800.35

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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.