Home / 109,565.04-164,248.86-39,395

Finding the Fourth Proportional to 109,565.04, 164,248.86 and 39,395

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Solution

The fourth proportional to 109,565.04, 164,248.86 and 39,395 is: 59,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,565.04 : 164,248.86 = 39,395 : x
  2. Step 2: Convert to fraction form
    109,565.04/164,248.86 = 39,395/x
  3. Step 3: Cross multiply
    109,565.04x = 164,248.86 × 39,395
  4. Step 4: Simplify right side
    109,565.04x = 6,470,583,839.70
  5. Step 5: Solve for x
    x = 6,470,583,839.70/109,565.04
  6. Step 6: Final answer
    x = 59,057.01

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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.