Home / 163,451.61-245,191.52-45,122.96

Finding the Fourth Proportional to 163,451.61, 245,191.52 and 45,122.96

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Solution

The fourth proportional to 163,451.61, 245,191.52 and 45,122.96 is: 67,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,451.61 : 245,191.52 = 45,122.96 : x
  2. Step 2: Convert to fraction form
    163,451.61/245,191.52 = 45,122.96/x
  3. Step 3: Cross multiply
    163,451.61x = 245,191.52 × 45,122.96
  4. Step 4: Simplify right side
    163,451.61x = 11,063,767,875.09
  5. Step 5: Solve for x
    x = 11,063,767,875.09/163,451.61
  6. Step 6: Final answer
    x = 67,688.34

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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.