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Finding the Fourth Proportional to 101,477.23, 152,216.91 and 45,320.20

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Solution

The fourth proportional to 101,477.23, 152,216.91 and 45,320.20 is: 67,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,477.23 : 152,216.91 = 45,320.20 : x
  2. Step 2: Convert to fraction form
    101,477.23/152,216.91 = 45,320.20/x
  3. Step 3: Cross multiply
    101,477.23x = 152,216.91 × 45,320.20
  4. Step 4: Simplify right side
    101,477.23x = 6,898,500,804.58
  5. Step 5: Solve for x
    x = 6,898,500,804.58/101,477.23
  6. Step 6: Final answer
    x = 67,980.78

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1.5x scale

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.