Home / 163,612.86-245,419.29-45,284.18

Finding the Fourth Proportional to 163,612.86, 245,419.29 and 45,284.18

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Solution

The fourth proportional to 163,612.86, 245,419.29 and 45,284.18 is: 67,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,612.86 : 245,419.29 = 45,284.18 : x
  2. Step 2: Convert to fraction form
    163,612.86/245,419.29 = 45,284.18/x
  3. Step 3: Cross multiply
    163,612.86x = 245,419.29 × 45,284.18
  4. Step 4: Simplify right side
    163,612.86x = 11,113,610,076.74
  5. Step 5: Solve for x
    x = 11,113,610,076.74/163,612.86
  6. Step 6: Final answer
    x = 67,926.26

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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.