Home / 211,160.84-291,291.48-130,562.60

Finding the Fourth Proportional to 211,160.84, 291,291.48 and 130,562.60

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Solution

The fourth proportional to 211,160.84, 291,291.48 and 130,562.60 is: 180,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,160.84 : 291,291.48 = 130,562.60 : x
  2. Step 2: Convert to fraction form
    211,160.84/291,291.48 = 130,562.60/x
  3. Step 3: Cross multiply
    211,160.84x = 291,291.48 × 130,562.60
  4. Step 4: Simplify right side
    211,160.84x = 38,031,772,986.65
  5. Step 5: Solve for x
    x = 38,031,772,986.65/211,160.84
  6. Step 6: Final answer
    x = 180,108.08

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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.