Home / 210,182.25-290,050.47-114,688.65

Finding the Fourth Proportional to 210,182.25, 290,050.47 and 114,688.65

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Solution

The fourth proportional to 210,182.25, 290,050.47 and 114,688.65 is: 158,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,182.25 : 290,050.47 = 114,688.65 : x
  2. Step 2: Convert to fraction form
    210,182.25/290,050.47 = 114,688.65/x
  3. Step 3: Cross multiply
    210,182.25x = 290,050.47 × 114,688.65
  4. Step 4: Simplify right side
    210,182.25x = 33,265,496,262.72
  5. Step 5: Solve for x
    x = 33,265,496,262.72/210,182.25
  6. Step 6: Final answer
    x = 158,269.77

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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.