Home / 101,927.60-152,964.30-42,805.70

Finding the Fourth Proportional to 101,927.60, 152,964.30 and 42,805.70

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Solution

The fourth proportional to 101,927.60, 152,964.30 and 42,805.70 is: 64,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,927.60 : 152,964.30 = 42,805.70 : x
  2. Step 2: Convert to fraction form
    101,927.60/152,964.30 = 42,805.70/x
  3. Step 3: Cross multiply
    101,927.60x = 152,964.30 × 42,805.70
  4. Step 4: Simplify right side
    101,927.60x = 6,547,743,936.51
  5. Step 5: Solve for x
    x = 6,547,743,936.51/101,927.60
  6. Step 6: Final answer
    x = 64,239.17

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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.