Home / 238,127.32-328,615.46-130,697.64

Finding the Fourth Proportional to 238,127.32, 328,615.46 and 130,697.64

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Solution

The fourth proportional to 238,127.32, 328,615.46 and 130,697.64 is: 180,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,127.32 : 328,615.46 = 130,697.64 : x
  2. Step 2: Convert to fraction form
    238,127.32/328,615.46 = 130,697.64/x
  3. Step 3: Cross multiply
    238,127.32x = 328,615.46 × 130,697.64
  4. Step 4: Simplify right side
    238,127.32x = 42,949,265,089.51
  5. Step 5: Solve for x
    x = 42,949,265,089.51/238,127.32
  6. Step 6: Final answer
    x = 180,362.61

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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.