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Finding the Fourth Proportional to 152,351.66, 210,317.10 and 101,449.10

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Solution

The fourth proportional to 152,351.66, 210,317.10 and 101,449.10 is: 140,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,351.66 : 210,317.10 = 101,449.10 : x
  2. Step 2: Convert to fraction form
    152,351.66/210,317.10 = 101,449.10/x
  3. Step 3: Cross multiply
    152,351.66x = 210,317.10 × 101,449.10
  4. Step 4: Simplify right side
    152,351.66x = 21,336,480,509.61
  5. Step 5: Solve for x
    x = 21,336,480,509.61/152,351.66
  6. Step 6: Final answer
    x = 140,047.57

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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.