Home / 163,820.64-245,731.04-45,492.16

Finding the Fourth Proportional to 163,820.64, 245,731.04 and 45,492.16

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Solution

The fourth proportional to 163,820.64, 245,731.04 and 45,492.16 is: 68,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,820.64 : 245,731.04 = 45,492.16 : x
  2. Step 2: Convert to fraction form
    163,820.64/245,731.04 = 45,492.16/x
  3. Step 3: Cross multiply
    163,820.64x = 245,731.04 × 45,492.16
  4. Step 4: Simplify right side
    163,820.64x = 11,178,835,788.65
  5. Step 5: Solve for x
    x = 11,178,835,788.65/163,820.64
  6. Step 6: Final answer
    x = 68,238.26

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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.