Home / 210,111.56-289,967.65-119,475.95

Finding the Fourth Proportional to 210,111.56, 289,967.65 and 119,475.95

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Solution

The fourth proportional to 210,111.56, 289,967.65 and 119,475.95 is: 164,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,111.56 : 289,967.65 = 119,475.95 : x
  2. Step 2: Convert to fraction form
    210,111.56/289,967.65 = 119,475.95/x
  3. Step 3: Cross multiply
    210,111.56x = 289,967.65 × 119,475.95
  4. Step 4: Simplify right side
    210,111.56x = 34,644,160,879.25
  5. Step 5: Solve for x
    x = 34,644,160,879.25/210,111.56
  6. Step 6: Final answer
    x = 164,884.61

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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.