Home / 154,928.32-213,995.96-127,802.70

Finding the Fourth Proportional to 154,928.32, 213,995.96 and 127,802.70

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Solution

The fourth proportional to 154,928.32, 213,995.96 and 127,802.70 is: 176,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,928.32 : 213,995.96 = 127,802.70 : x
  2. Step 2: Convert to fraction form
    154,928.32/213,995.96 = 127,802.70/x
  3. Step 3: Cross multiply
    154,928.32x = 213,995.96 × 127,802.70
  4. Step 4: Simplify right side
    154,928.32x = 27,349,260,838.08
  5. Step 5: Solve for x
    x = 27,349,260,838.08/154,928.32
  6. Step 6: Final answer
    x = 176,528.48

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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.