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Finding the Fourth Proportional to 101,485.56, 140,050.34 and 56,166.67

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Solution

The fourth proportional to 101,485.56, 140,050.34 and 56,166.67 is: 77,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,485.56 : 140,050.34 = 56,166.67 : x
  2. Step 2: Convert to fraction form
    101,485.56/140,050.34 = 56,166.67/x
  3. Step 3: Cross multiply
    101,485.56x = 140,050.34 × 56,166.67
  4. Step 4: Simplify right side
    101,485.56x = 7,866,161,020.46
  5. Step 5: Solve for x
    x = 7,866,161,020.46/101,485.56
  6. Step 6: Final answer
    x = 77,510.15

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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.