Home / 163,445.62-245,150.07-45,133.78

Finding the Fourth Proportional to 163,445.62, 245,150.07 and 45,133.78

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Solution

The fourth proportional to 163,445.62, 245,150.07 and 45,133.78 is: 67,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,445.62 : 245,150.07 = 45,133.78 : x
  2. Step 2: Convert to fraction form
    163,445.62/245,150.07 = 45,133.78/x
  3. Step 3: Cross multiply
    163,445.62x = 245,150.07 × 45,133.78
  4. Step 4: Simplify right side
    163,445.62x = 11,064,549,326.36
  5. Step 5: Solve for x
    x = 11,064,549,326.36/163,445.62
  6. Step 6: Final answer
    x = 67,695.60

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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.