Home / 158,979.36-238,320.80-53,724.72

Finding the Fourth Proportional to 158,979.36, 238,320.80 and 53,724.72

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Solution

The fourth proportional to 158,979.36, 238,320.80 and 53,724.72 is: 80,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,979.36 : 238,320.80 = 53,724.72 : x
  2. Step 2: Convert to fraction form
    158,979.36/238,320.80 = 53,724.72/x
  3. Step 3: Cross multiply
    158,979.36x = 238,320.80 × 53,724.72
  4. Step 4: Simplify right side
    158,979.36x = 12,803,718,250.18
  5. Step 5: Solve for x
    x = 12,803,718,250.18/158,979.36
  6. Step 6: Final answer
    x = 80,536.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.