Home / 109,623.90-164,435.85-39,510.30

Finding the Fourth Proportional to 109,623.90, 164,435.85 and 39,510.30

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Solution

The fourth proportional to 109,623.90, 164,435.85 and 39,510.30 is: 59,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,623.90 : 164,435.85 = 39,510.30 : x
  2. Step 2: Convert to fraction form
    109,623.90/164,435.85 = 39,510.30/x
  3. Step 3: Cross multiply
    109,623.90x = 164,435.85 × 39,510.30
  4. Step 4: Simplify right side
    109,623.90x = 6,496,909,764.26
  5. Step 5: Solve for x
    x = 6,496,909,764.26/109,623.90
  6. Step 6: Final answer
    x = 59,265.45

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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.