Home / 163,542.40-245,342.76-45,211.12

Finding the Fourth Proportional to 163,542.40, 245,342.76 and 45,211.12

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Solution

The fourth proportional to 163,542.40, 245,342.76 and 45,211.12 is: 67,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,542.40 : 245,342.76 = 45,211.12 : x
  2. Step 2: Convert to fraction form
    163,542.40/245,342.76 = 45,211.12/x
  3. Step 3: Cross multiply
    163,542.40x = 245,342.76 × 45,211.12
  4. Step 4: Simplify right side
    163,542.40x = 11,092,220,963.49
  5. Step 5: Solve for x
    x = 11,092,220,963.49/163,542.40
  6. Step 6: Final answer
    x = 67,824.74

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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.