Home / 630,025.31-945,036.09-156,710.69

Finding the Fourth Proportional to 630,025.31, 945,036.09 and 156,710.69

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Solution

The fourth proportional to 630,025.31, 945,036.09 and 156,710.69 is: 235,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,025.31 : 945,036.09 = 156,710.69 : x
  2. Step 2: Convert to fraction form
    630,025.31/945,036.09 = 156,710.69/x
  3. Step 3: Cross multiply
    630,025.31x = 945,036.09 × 156,710.69
  4. Step 4: Simplify right side
    630,025.31x = 148,097,257,738.80
  5. Step 5: Solve for x
    x = 148,097,257,738.80/630,025.31
  6. Step 6: Final answer
    x = 235,065.57

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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.