Home / 109,685.74-164,528.65-39,565.06

Finding the Fourth Proportional to 109,685.74, 164,528.65 and 39,565.06

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Solution

The fourth proportional to 109,685.74, 164,528.65 and 39,565.06 is: 59,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.74 : 164,528.65 = 39,565.06 : x
  2. Step 2: Convert to fraction form
    109,685.74/164,528.65 = 39,565.06/x
  3. Step 3: Cross multiply
    109,685.74x = 164,528.65 × 39,565.06
  4. Step 4: Simplify right side
    109,685.74x = 6,509,585,908.97
  5. Step 5: Solve for x
    x = 6,509,585,908.97/109,685.74
  6. Step 6: Final answer
    x = 59,347.60

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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.