Home / 212,005.12-292,574.08-116,515.20

Finding the Fourth Proportional to 212,005.12, 292,574.08 and 116,515.20

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Solution

The fourth proportional to 212,005.12, 292,574.08 and 116,515.20 is: 160,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,005.12 : 292,574.08 = 116,515.20 : x
  2. Step 2: Convert to fraction form
    212,005.12/292,574.08 = 116,515.20/x
  3. Step 3: Cross multiply
    212,005.12x = 292,574.08 × 116,515.20
  4. Step 4: Simplify right side
    212,005.12x = 34,089,327,446.02
  5. Step 5: Solve for x
    x = 34,089,327,446.02/212,005.12
  6. Step 6: Final answer
    x = 160,794.83

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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.