Home / 169,110.81-253,689.57-56,823.15

Finding the Fourth Proportional to 169,110.81, 253,689.57 and 56,823.15

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Solution

The fourth proportional to 169,110.81, 253,689.57 and 56,823.15 is: 85,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,110.81 : 253,689.57 = 56,823.15 : x
  2. Step 2: Convert to fraction form
    169,110.81/253,689.57 = 56,823.15/x
  3. Step 3: Cross multiply
    169,110.81x = 253,689.57 × 56,823.15
  4. Step 4: Simplify right side
    169,110.81x = 14,415,440,489.55
  5. Step 5: Solve for x
    x = 14,415,440,489.55/169,110.81
  6. Step 6: Final answer
    x = 85,242.57

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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.