Home / 212,152.95-292,729.14-119,021.78

Finding the Fourth Proportional to 212,152.95, 292,729.14 and 119,021.78

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Solution

The fourth proportional to 212,152.95, 292,729.14 and 119,021.78 is: 164,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,152.95 : 292,729.14 = 119,021.78 : x
  2. Step 2: Convert to fraction form
    212,152.95/292,729.14 = 119,021.78/x
  3. Step 3: Cross multiply
    212,152.95x = 292,729.14 × 119,021.78
  4. Step 4: Simplify right side
    212,152.95x = 34,841,144,032.49
  5. Step 5: Solve for x
    x = 34,841,144,032.49/212,152.95
  6. Step 6: Final answer
    x = 164,226.54

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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.