Home / 124,295.40-186,470.10-45,409.50

Finding the Fourth Proportional to 124,295.40, 186,470.10 and 45,409.50

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Solution

The fourth proportional to 124,295.40, 186,470.10 and 45,409.50 is: 68,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,295.40 : 186,470.10 = 45,409.50 : x
  2. Step 2: Convert to fraction form
    124,295.40/186,470.10 = 45,409.50/x
  3. Step 3: Cross multiply
    124,295.40x = 186,470.10 × 45,409.50
  4. Step 4: Simplify right side
    124,295.40x = 8,467,514,005.95
  5. Step 5: Solve for x
    x = 8,467,514,005.95/124,295.40
  6. Step 6: Final answer
    x = 68,124.11

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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.