Home / 152,619.53-210,636.47-84,651.62

Finding the Fourth Proportional to 152,619.53, 210,636.47 and 84,651.62

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Solution

The fourth proportional to 152,619.53, 210,636.47 and 84,651.62 is: 116,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,619.53 : 210,636.47 = 84,651.62 : x
  2. Step 2: Convert to fraction form
    152,619.53/210,636.47 = 84,651.62/x
  3. Step 3: Cross multiply
    152,619.53x = 210,636.47 × 84,651.62
  4. Step 4: Simplify right side
    152,619.53x = 17,830,717,993.32
  5. Step 5: Solve for x
    x = 17,830,717,993.32/152,619.53
  6. Step 6: Final answer
    x = 116,831.17

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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.