Home / 212,055.12-292,636.32-116,559.78

Finding the Fourth Proportional to 212,055.12, 292,636.32 and 116,559.78

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Solution

The fourth proportional to 212,055.12, 292,636.32 and 116,559.78 is: 160,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,055.12 : 292,636.32 = 116,559.78 : x
  2. Step 2: Convert to fraction form
    212,055.12/292,636.32 = 116,559.78/x
  3. Step 3: Cross multiply
    212,055.12x = 292,636.32 × 116,559.78
  4. Step 4: Simplify right side
    212,055.12x = 34,109,625,079.21
  5. Step 5: Solve for x
    x = 34,109,625,079.21/212,055.12
  6. Step 6: Final answer
    x = 160,852.64

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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.