Home / 145,491.08-218,235.76-37,420.28

Finding the Fourth Proportional to 145,491.08, 218,235.76 and 37,420.28

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Solution

The fourth proportional to 145,491.08, 218,235.76 and 37,420.28 is: 56,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,491.08 : 218,235.76 = 37,420.28 : x
  2. Step 2: Convert to fraction form
    145,491.08/218,235.76 = 37,420.28/x
  3. Step 3: Cross multiply
    145,491.08x = 218,235.76 × 37,420.28
  4. Step 4: Simplify right side
    145,491.08x = 8,166,443,245.21
  5. Step 5: Solve for x
    x = 8,166,443,245.21/145,491.08
  6. Step 6: Final answer
    x = 56,130.20

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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.