Home / 163,386.45-245,091.89-45,056.66

Finding the Fourth Proportional to 163,386.45, 245,091.89 and 45,056.66

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Solution

The fourth proportional to 163,386.45, 245,091.89 and 45,056.66 is: 67,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386.45 : 245,091.89 = 45,056.66 : x
  2. Step 2: Convert to fraction form
    163,386.45/245,091.89 = 45,056.66/x
  3. Step 3: Cross multiply
    163,386.45x = 245,091.89 × 45,056.66
  4. Step 4: Simplify right side
    163,386.45x = 11,043,020,843.67
  5. Step 5: Solve for x
    x = 11,043,020,843.67/163,386.45
  6. Step 6: Final answer
    x = 67,588.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.