Home / 212,119.41-292,682.80-118,988.11

Finding the Fourth Proportional to 212,119.41, 292,682.80 and 118,988.11

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Solution

The fourth proportional to 212,119.41, 292,682.80 and 118,988.11 is: 164,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,119.41 : 292,682.80 = 118,988.11 : x
  2. Step 2: Convert to fraction form
    212,119.41/292,682.80 = 118,988.11/x
  3. Step 3: Cross multiply
    212,119.41x = 292,682.80 × 118,988.11
  4. Step 4: Simplify right side
    212,119.41x = 34,825,773,201.51
  5. Step 5: Solve for x
    x = 34,825,773,201.51/212,119.41
  6. Step 6: Final answer
    x = 164,180.04

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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.