Home / 163,740.08-245,610.12-45,411.42

Finding the Fourth Proportional to 163,740.08, 245,610.12 and 45,411.42

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Solution

The fourth proportional to 163,740.08, 245,610.12 and 45,411.42 is: 68,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,740.08 : 245,610.12 = 45,411.42 : x
  2. Step 2: Convert to fraction form
    163,740.08/245,610.12 = 45,411.42/x
  3. Step 3: Cross multiply
    163,740.08x = 245,610.12 × 45,411.42
  4. Step 4: Simplify right side
    163,740.08x = 11,153,503,642.19
  5. Step 5: Solve for x
    x = 11,153,503,642.19/163,740.08
  6. Step 6: Final answer
    x = 68,117.12

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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.