Home / 156,647.16-235,055.81-66,675.20

Finding the Fourth Proportional to 156,647.16, 235,055.81 and 66,675.20

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Solution

The fourth proportional to 156,647.16, 235,055.81 and 66,675.20 is: 100,049.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,647.16 : 235,055.81 = 66,675.20 : x
  2. Step 2: Convert to fraction form
    156,647.16/235,055.81 = 66,675.20/x
  3. Step 3: Cross multiply
    156,647.16x = 235,055.81 × 66,675.20
  4. Step 4: Simplify right side
    156,647.16x = 15,672,392,134.32
  5. Step 5: Solve for x
    x = 15,672,392,134.32/156,647.16
  6. Step 6: Final answer
    x = 100,049.00

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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.