Home / 152,694.81-210,817.80-98,271.36

Finding the Fourth Proportional to 152,694.81, 210,817.80 and 98,271.36

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Solution

The fourth proportional to 152,694.81, 210,817.80 and 98,271.36 is: 135,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,694.81 : 210,817.80 = 98,271.36 : x
  2. Step 2: Convert to fraction form
    152,694.81/210,817.80 = 98,271.36/x
  3. Step 3: Cross multiply
    152,694.81x = 210,817.80 × 98,271.36
  4. Step 4: Simplify right side
    152,694.81x = 20,717,351,918.21
  5. Step 5: Solve for x
    x = 20,717,351,918.21/152,694.81
  6. Step 6: Final answer
    x = 135,678.17

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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.