Home / 135,116.93-186,459.33-74,686.24

Finding the Fourth Proportional to 135,116.93, 186,459.33 and 74,686.24

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Solution

The fourth proportional to 135,116.93, 186,459.33 and 74,686.24 is: 103,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,116.93 : 186,459.33 = 74,686.24 : x
  2. Step 2: Convert to fraction form
    135,116.93/186,459.33 = 74,686.24/x
  3. Step 3: Cross multiply
    135,116.93x = 186,459.33 × 74,686.24
  4. Step 4: Simplify right side
    135,116.93x = 13,925,945,734.93
  5. Step 5: Solve for x
    x = 13,925,945,734.93/135,116.93
  6. Step 6: Final answer
    x = 103,065.89

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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.