Home / 144,050.51-198,802.93-79,531.28

Finding the Fourth Proportional to 144,050.51, 198,802.93 and 79,531.28

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Solution

The fourth proportional to 144,050.51, 198,802.93 and 79,531.28 is: 109,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.51 : 198,802.93 = 79,531.28 : x
  2. Step 2: Convert to fraction form
    144,050.51/198,802.93 = 79,531.28/x
  3. Step 3: Cross multiply
    144,050.51x = 198,802.93 × 79,531.28
  4. Step 4: Simplify right side
    144,050.51x = 15,811,050,297.81
  5. Step 5: Solve for x
    x = 15,811,050,297.81/144,050.51
  6. Step 6: Final answer
    x = 109,760.46

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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.