Home / 210,325.16-290,244.78-119,679.08

Finding the Fourth Proportional to 210,325.16, 290,244.78 and 119,679.08

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Solution

The fourth proportional to 210,325.16, 290,244.78 and 119,679.08 is: 165,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,325.16 : 290,244.78 = 119,679.08 : x
  2. Step 2: Convert to fraction form
    210,325.16/290,244.78 = 119,679.08/x
  3. Step 3: Cross multiply
    210,325.16x = 290,244.78 × 119,679.08
  4. Step 4: Simplify right side
    210,325.16x = 34,736,228,245.20
  5. Step 5: Solve for x
    x = 34,736,228,245.20/210,325.16
  6. Step 6: Final answer
    x = 165,154.89

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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.