Home / 211,341.75-291,681.45-130,795.23

Finding the Fourth Proportional to 211,341.75, 291,681.45 and 130,795.23

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Solution

The fourth proportional to 211,341.75, 291,681.45 and 130,795.23 is: 180,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,341.75 : 291,681.45 = 130,795.23 : x
  2. Step 2: Convert to fraction form
    211,341.75/291,681.45 = 130,795.23/x
  3. Step 3: Cross multiply
    211,341.75x = 291,681.45 × 130,795.23
  4. Step 4: Simplify right side
    211,341.75x = 38,150,542,339.48
  5. Step 5: Solve for x
    x = 38,150,542,339.48/211,341.75
  6. Step 6: Final answer
    x = 180,515.88

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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.