Home / 163,453.50-245,194.34-45,124.86

Finding the Fourth Proportional to 163,453.50, 245,194.34 and 45,124.86

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Solution

The fourth proportional to 163,453.50, 245,194.34 and 45,124.86 is: 67,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,453.50 : 245,194.34 = 45,124.86 : x
  2. Step 2: Convert to fraction form
    163,453.50/245,194.34 = 45,124.86/x
  3. Step 3: Cross multiply
    163,453.50x = 245,194.34 × 45,124.86
  4. Step 4: Simplify right side
    163,453.50x = 11,064,360,265.29
  5. Step 5: Solve for x
    x = 11,064,360,265.29/163,453.50
  6. Step 6: Final answer
    x = 67,691.18

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1.5x scale

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.