Home / 163,483.68-245,226.08-45,152.40

Finding the Fourth Proportional to 163,483.68, 245,226.08 and 45,152.40

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Solution

The fourth proportional to 163,483.68, 245,226.08 and 45,152.40 is: 67,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,483.68 : 245,226.08 = 45,152.40 : x
  2. Step 2: Convert to fraction form
    163,483.68/245,226.08 = 45,152.40/x
  3. Step 3: Cross multiply
    163,483.68x = 245,226.08 × 45,152.40
  4. Step 4: Simplify right side
    163,483.68x = 11,072,546,054.59
  5. Step 5: Solve for x
    x = 11,072,546,054.59/163,483.68
  6. Step 6: Final answer
    x = 67,728.75

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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.