Home / 163,917.70-245,898.45-57,289.30

Finding the Fourth Proportional to 163,917.70, 245,898.45 and 57,289.30

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Solution

The fourth proportional to 163,917.70, 245,898.45 and 57,289.30 is: 85,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,917.70 : 245,898.45 = 57,289.30 : x
  2. Step 2: Convert to fraction form
    163,917.70/245,898.45 = 57,289.30/x
  3. Step 3: Cross multiply
    163,917.70x = 245,898.45 × 57,289.30
  4. Step 4: Simplify right side
    163,917.70x = 14,087,350,071.59
  5. Step 5: Solve for x
    x = 14,087,350,071.59/163,917.70
  6. Step 6: Final answer
    x = 85,941.60

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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.