Home / 145,610.48-218,303.91-130,774.10

Finding the Fourth Proportional to 145,610.48, 218,303.91 and 130,774.10

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Solution

The fourth proportional to 145,610.48, 218,303.91 and 130,774.10 is: 196,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610.48 : 218,303.91 = 130,774.10 : x
  2. Step 2: Convert to fraction form
    145,610.48/218,303.91 = 130,774.10/x
  3. Step 3: Cross multiply
    145,610.48x = 218,303.91 × 130,774.10
  4. Step 4: Simplify right side
    145,610.48x = 28,548,497,356.73
  5. Step 5: Solve for x
    x = 28,548,497,356.73/145,610.48
  6. Step 6: Final answer
    x = 196,060.73

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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.