Home / 134,686.96-185,876.36-74,257.50

Finding the Fourth Proportional to 134,686.96, 185,876.36 and 74,257.50

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Solution

The fourth proportional to 134,686.96, 185,876.36 and 74,257.50 is: 102,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,686.96 : 185,876.36 = 74,257.50 : x
  2. Step 2: Convert to fraction form
    134,686.96/185,876.36 = 74,257.50/x
  3. Step 3: Cross multiply
    134,686.96x = 185,876.36 × 74,257.50
  4. Step 4: Simplify right side
    134,686.96x = 13,802,713,802.70
  5. Step 5: Solve for x
    x = 13,802,713,802.70/134,686.96
  6. Step 6: Final answer
    x = 102,479.96

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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.