Home / 163,917.12-245,827.08-70,401

Finding the Fourth Proportional to 163,917.12, 245,827.08 and 70,401

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Solution

The fourth proportional to 163,917.12, 245,827.08 and 70,401 is: 105,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,917.12 : 245,827.08 = 70,401 : x
  2. Step 2: Convert to fraction form
    163,917.12/245,827.08 = 70,401/x
  3. Step 3: Cross multiply
    163,917.12x = 245,827.08 × 70,401
  4. Step 4: Simplify right side
    163,917.12x = 17,306,472,259.08
  5. Step 5: Solve for x
    x = 17,306,472,259.08/163,917.12
  6. Step 6: Final answer
    x = 105,580.63

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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.