Home / 210,459.72-290,429.64-114,966.84

Finding the Fourth Proportional to 210,459.72, 290,429.64 and 114,966.84

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Solution

The fourth proportional to 210,459.72, 290,429.64 and 114,966.84 is: 158,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,459.72 : 290,429.64 = 114,966.84 : x
  2. Step 2: Convert to fraction form
    210,459.72/290,429.64 = 114,966.84/x
  3. Step 3: Cross multiply
    210,459.72x = 290,429.64 × 114,966.84
  4. Step 4: Simplify right side
    210,459.72x = 33,389,777,953.14
  5. Step 5: Solve for x
    x = 33,389,777,953.14/210,459.72
  6. Step 6: Final answer
    x = 158,651.63

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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.