Home / 102,359.04-153,408-46,138.88

Finding the Fourth Proportional to 102,359.04, 153,408 and 46,138.88

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Solution

The fourth proportional to 102,359.04, 153,408 and 46,138.88 is: 69,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,359.04 : 153,408 = 46,138.88 : x
  2. Step 2: Convert to fraction form
    102,359.04/153,408 = 46,138.88/x
  3. Step 3: Cross multiply
    102,359.04x = 153,408 × 46,138.88
  4. Step 4: Simplify right side
    102,359.04x = 7,078,073,303.04
  5. Step 5: Solve for x
    x = 7,078,073,303.04/102,359.04
  6. Step 6: Final answer
    x = 69,149.47

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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.