Home / 210,742.04-290,826.32-115,246.69

Finding the Fourth Proportional to 210,742.04, 290,826.32 and 115,246.69

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Solution

The fourth proportional to 210,742.04, 290,826.32 and 115,246.69 is: 159,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,742.04 : 290,826.32 = 115,246.69 : x
  2. Step 2: Convert to fraction form
    210,742.04/290,826.32 = 115,246.69/x
  3. Step 3: Cross multiply
    210,742.04x = 290,826.32 × 115,246.69
  4. Step 4: Simplify right side
    210,742.04x = 33,516,769,441.58
  5. Step 5: Solve for x
    x = 33,516,769,441.58/210,742.04
  6. Step 6: Final answer
    x = 159,041.68

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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.