Home / 210,162.65-290,025.36-114,671.40

Finding the Fourth Proportional to 210,162.65, 290,025.36 and 114,671.40

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Solution

The fourth proportional to 210,162.65, 290,025.36 and 114,671.40 is: 158,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,162.65 : 290,025.36 = 114,671.40 : x
  2. Step 2: Convert to fraction form
    210,162.65/290,025.36 = 114,671.40/x
  3. Step 3: Cross multiply
    210,162.65x = 290,025.36 × 114,671.40
  4. Step 4: Simplify right side
    210,162.65x = 33,257,612,979.11
  5. Step 5: Solve for x
    x = 33,257,612,979.11/210,162.65
  6. Step 6: Final answer
    x = 158,247.02

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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.