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Finding the Fourth Proportional to 101,332.56, 152,028.12 and 31,222.20

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Solution

The fourth proportional to 101,332.56, 152,028.12 and 31,222.20 is: 46,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,332.56 : 152,028.12 = 31,222.20 : x
  2. Step 2: Convert to fraction form
    101,332.56/152,028.12 = 31,222.20/x
  3. Step 3: Cross multiply
    101,332.56x = 152,028.12 × 31,222.20
  4. Step 4: Simplify right side
    101,332.56x = 4,746,652,368.26
  5. Step 5: Solve for x
    x = 4,746,652,368.26/101,332.56
  6. Step 6: Final answer
    x = 46,842.32

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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.