Home / 212,181.57-292,804.72-116,688.25

Finding the Fourth Proportional to 212,181.57, 292,804.72 and 116,688.25

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Solution

The fourth proportional to 212,181.57, 292,804.72 and 116,688.25 is: 161,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,181.57 : 292,804.72 = 116,688.25 : x
  2. Step 2: Convert to fraction form
    212,181.57/292,804.72 = 116,688.25/x
  3. Step 3: Cross multiply
    212,181.57x = 292,804.72 × 116,688.25
  4. Step 4: Simplify right side
    212,181.57x = 34,166,869,785.10
  5. Step 5: Solve for x
    x = 34,166,869,785.10/212,181.57
  6. Step 6: Final answer
    x = 161,026.57

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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.