Home / 109,962.07-164,956.69-38,870.05

Finding the Fourth Proportional to 109,962.07, 164,956.69 and 38,870.05

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Solution

The fourth proportional to 109,962.07, 164,956.69 and 38,870.05 is: 58,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.07 : 164,956.69 = 38,870.05 : x
  2. Step 2: Convert to fraction form
    109,962.07/164,956.69 = 38,870.05/x
  3. Step 3: Cross multiply
    109,962.07x = 164,956.69 × 38,870.05
  4. Step 4: Simplify right side
    109,962.07x = 6,411,874,278.57
  5. Step 5: Solve for x
    x = 6,411,874,278.57/109,962.07
  6. Step 6: Final answer
    x = 58,309.87

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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.