Home / 211,162.84-291,294.24-130,564.60

Finding the Fourth Proportional to 211,162.84, 291,294.24 and 130,564.60

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Solution

The fourth proportional to 211,162.84, 291,294.24 and 130,564.60 is: 180,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,162.84 : 291,294.24 = 130,564.60 : x
  2. Step 2: Convert to fraction form
    211,162.84/291,294.24 = 130,564.60/x
  3. Step 3: Cross multiply
    211,162.84x = 291,294.24 × 130,564.60
  4. Step 4: Simplify right side
    211,162.84x = 38,032,715,927.90
  5. Step 5: Solve for x
    x = 38,032,715,927.90/211,162.84
  6. Step 6: Final answer
    x = 180,110.84

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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.