Home / 163,439.60-245,154.52-45,118.16

Finding the Fourth Proportional to 163,439.60, 245,154.52 and 45,118.16

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Solution

The fourth proportional to 163,439.60, 245,154.52 and 45,118.16 is: 67,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,439.60 : 245,154.52 = 45,118.16 : x
  2. Step 2: Convert to fraction form
    163,439.60/245,154.52 = 45,118.16/x
  3. Step 3: Cross multiply
    163,439.60x = 245,154.52 × 45,118.16
  4. Step 4: Simplify right side
    163,439.60x = 11,060,920,858.08
  5. Step 5: Solve for x
    x = 11,060,920,858.08/163,439.60
  6. Step 6: Final answer
    x = 67,675.89

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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.