Home / 211,148.34-291,274.29-130,550.10

Finding the Fourth Proportional to 211,148.34, 291,274.29 and 130,550.10

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Solution

The fourth proportional to 211,148.34, 291,274.29 and 130,550.10 is: 180,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,148.34 : 291,274.29 = 130,550.10 : x
  2. Step 2: Convert to fraction form
    211,148.34/291,274.29 = 130,550.10/x
  3. Step 3: Cross multiply
    211,148.34x = 291,274.29 × 130,550.10
  4. Step 4: Simplify right side
    211,148.34x = 38,025,887,686.93
  5. Step 5: Solve for x
    x = 38,025,887,686.93/211,148.34
  6. Step 6: Final answer
    x = 180,090.87

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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.