Home / 211,337.75-291,675.93-130,791.22

Finding the Fourth Proportional to 211,337.75, 291,675.93 and 130,791.22

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Solution

The fourth proportional to 211,337.75, 291,675.93 and 130,791.22 is: 180,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,337.75 : 291,675.93 = 130,791.22 : x
  2. Step 2: Convert to fraction form
    211,337.75/291,675.93 = 130,791.22/x
  3. Step 3: Cross multiply
    211,337.75x = 291,675.93 × 130,791.22
  4. Step 4: Simplify right side
    211,337.75x = 38,148,649,270.96
  5. Step 5: Solve for x
    x = 38,148,649,270.96/211,337.75
  6. Step 6: Final answer
    x = 180,510.34

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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.