Home / 210,256.39-290,155.08-114,761.04

Finding the Fourth Proportional to 210,256.39, 290,155.08 and 114,761.04

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Solution

The fourth proportional to 210,256.39, 290,155.08 and 114,761.04 is: 158,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,256.39 : 290,155.08 = 114,761.04 : x
  2. Step 2: Convert to fraction form
    210,256.39/290,155.08 = 114,761.04/x
  3. Step 3: Cross multiply
    210,256.39x = 290,155.08 × 114,761.04
  4. Step 4: Simplify right side
    210,256.39x = 33,298,498,742.08
  5. Step 5: Solve for x
    x = 33,298,498,742.08/210,256.39
  6. Step 6: Final answer
    x = 158,370.92

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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.