Home / 163,502.40-245,282.76-45,171.12

Finding the Fourth Proportional to 163,502.40, 245,282.76 and 45,171.12

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Solution

The fourth proportional to 163,502.40, 245,282.76 and 45,171.12 is: 67,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,502.40 : 245,282.76 = 45,171.12 : x
  2. Step 2: Convert to fraction form
    163,502.40/245,282.76 = 45,171.12/x
  3. Step 3: Cross multiply
    163,502.40x = 245,282.76 × 45,171.12
  4. Step 4: Simplify right side
    163,502.40x = 11,079,696,985.89
  5. Step 5: Solve for x
    x = 11,079,696,985.89/163,502.40
  6. Step 6: Final answer
    x = 67,764.74

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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.