Home / 163,538.40-245,336.76-45,207.12

Finding the Fourth Proportional to 163,538.40, 245,336.76 and 45,207.12

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Solution

The fourth proportional to 163,538.40, 245,336.76 and 45,207.12 is: 67,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,538.40 : 245,336.76 = 45,207.12 : x
  2. Step 2: Convert to fraction form
    163,538.40/245,336.76 = 45,207.12/x
  3. Step 3: Cross multiply
    163,538.40x = 245,336.76 × 45,207.12
  4. Step 4: Simplify right side
    163,538.40x = 11,090,968,349.73
  5. Step 5: Solve for x
    x = 11,090,968,349.73/163,538.40
  6. Step 6: Final answer
    x = 67,818.74

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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.