Home / 238,160.48-328,660.20-130,732.40

Finding the Fourth Proportional to 238,160.48, 328,660.20 and 130,732.40

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Solution

The fourth proportional to 238,160.48, 328,660.20 and 130,732.40 is: 180,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,160.48 : 328,660.20 = 130,732.40 : x
  2. Step 2: Convert to fraction form
    238,160.48/328,660.20 = 130,732.40/x
  3. Step 3: Cross multiply
    238,160.48x = 328,660.20 × 130,732.40
  4. Step 4: Simplify right side
    238,160.48x = 42,966,536,730.48
  5. Step 5: Solve for x
    x = 42,966,536,730.48/238,160.48
  6. Step 6: Final answer
    x = 180,410.02

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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.