Home / 237,717.96-328,048.02-128,820.12

Finding the Fourth Proportional to 237,717.96, 328,048.02 and 128,820.12

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Solution

The fourth proportional to 237,717.96, 328,048.02 and 128,820.12 is: 177,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,717.96 : 328,048.02 = 128,820.12 : x
  2. Step 2: Convert to fraction form
    237,717.96/328,048.02 = 128,820.12/x
  3. Step 3: Cross multiply
    237,717.96x = 328,048.02 × 128,820.12
  4. Step 4: Simplify right side
    237,717.96x = 42,259,185,302.16
  5. Step 5: Solve for x
    x = 42,259,185,302.16/237,717.96
  6. Step 6: Final answer
    x = 177,770.27

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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.