Home / 181,108.35-249,932.30-100,541.07

Finding the Fourth Proportional to 181,108.35, 249,932.30 and 100,541.07

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Solution

The fourth proportional to 181,108.35, 249,932.30 and 100,541.07 is: 138,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,108.35 : 249,932.30 = 100,541.07 : x
  2. Step 2: Convert to fraction form
    181,108.35/249,932.30 = 100,541.07/x
  3. Step 3: Cross multiply
    181,108.35x = 249,932.30 × 100,541.07
  4. Step 4: Simplify right side
    181,108.35x = 25,128,460,366.86
  5. Step 5: Solve for x
    x = 25,128,460,366.86/181,108.35
  6. Step 6: Final answer
    x = 138,748.22

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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.