Home / 207,410.04-310,862.28-107,515.20

Finding the Fourth Proportional to 207,410.04, 310,862.28 and 107,515.20

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Solution

The fourth proportional to 207,410.04, 310,862.28 and 107,515.20 is: 161,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,410.04 : 310,862.28 = 107,515.20 : x
  2. Step 2: Convert to fraction form
    207,410.04/310,862.28 = 107,515.20/x
  3. Step 3: Cross multiply
    207,410.04x = 310,862.28 × 107,515.20
  4. Step 4: Simplify right side
    207,410.04x = 33,422,420,206.66
  5. Step 5: Solve for x
    x = 33,422,420,206.66/207,410.04
  6. Step 6: Final answer
    x = 161,141.77

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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.