Home / 109,148.48-150,624.68-61,401.87

Finding the Fourth Proportional to 109,148.48, 150,624.68 and 61,401.87

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Solution

The fourth proportional to 109,148.48, 150,624.68 and 61,401.87 is: 84,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,148.48 : 150,624.68 = 61,401.87 : x
  2. Step 2: Convert to fraction form
    109,148.48/150,624.68 = 61,401.87/x
  3. Step 3: Cross multiply
    109,148.48x = 150,624.68 × 61,401.87
  4. Step 4: Simplify right side
    109,148.48x = 9,248,636,267.03
  5. Step 5: Solve for x
    x = 9,248,636,267.03/109,148.48
  6. Step 6: Final answer
    x = 84,734.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.