Home / 109,415.48-164,057.51-42,776.24

Finding the Fourth Proportional to 109,415.48, 164,057.51 and 42,776.24

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Solution

The fourth proportional to 109,415.48, 164,057.51 and 42,776.24 is: 64,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,415.48 : 164,057.51 = 42,776.24 : x
  2. Step 2: Convert to fraction form
    109,415.48/164,057.51 = 42,776.24/x
  3. Step 3: Cross multiply
    109,415.48x = 164,057.51 × 42,776.24
  4. Step 4: Simplify right side
    109,415.48x = 7,017,763,938.65
  5. Step 5: Solve for x
    x = 7,017,763,938.65/109,415.48
  6. Step 6: Final answer
    x = 64,138.67

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1.5x scale

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.