Home / 136,089.09-187,792.29-75,656.07

Finding the Fourth Proportional to 136,089.09, 187,792.29 and 75,656.07

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Solution

The fourth proportional to 136,089.09, 187,792.29 and 75,656.07 is: 104,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,089.09 : 187,792.29 = 75,656.07 : x
  2. Step 2: Convert to fraction form
    136,089.09/187,792.29 = 75,656.07/x
  3. Step 3: Cross multiply
    136,089.09x = 187,792.29 × 75,656.07
  4. Step 4: Simplify right side
    136,089.09x = 14,207,626,637.70
  5. Step 5: Solve for x
    x = 14,207,626,637.70/136,089.09
  6. Step 6: Final answer
    x = 104,399.45

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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.