Home / 163,484.64-245,222.10-45,163.08

Finding the Fourth Proportional to 163,484.64, 245,222.10 and 45,163.08

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Solution

The fourth proportional to 163,484.64, 245,222.10 and 45,163.08 is: 67,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,484.64 : 245,222.10 = 45,163.08 : x
  2. Step 2: Convert to fraction form
    163,484.64/245,222.10 = 45,163.08/x
  3. Step 3: Cross multiply
    163,484.64x = 245,222.10 × 45,163.08
  4. Step 4: Simplify right side
    163,484.64x = 11,074,985,320.07
  5. Step 5: Solve for x
    x = 11,074,985,320.07/163,484.64
  6. Step 6: Final answer
    x = 67,743.28

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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.