Home / 177,559.17-245,038.86-102,107.67

Finding the Fourth Proportional to 177,559.17, 245,038.86 and 102,107.67

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Solution

The fourth proportional to 177,559.17, 245,038.86 and 102,107.67 is: 140,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,559.17 : 245,038.86 = 102,107.67 : x
  2. Step 2: Convert to fraction form
    177,559.17/245,038.86 = 102,107.67/x
  3. Step 3: Cross multiply
    177,559.17x = 245,038.86 × 102,107.67
  4. Step 4: Simplify right side
    177,559.17x = 25,020,347,054.06
  5. Step 5: Solve for x
    x = 25,020,347,054.06/177,559.17
  6. Step 6: Final answer
    x = 140,912.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.