Home / 105,431.04-158,006.16-38,809.62

Finding the Fourth Proportional to 105,431.04, 158,006.16 and 38,809.62

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Solution

The fourth proportional to 105,431.04, 158,006.16 and 38,809.62 is: 58,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,431.04 : 158,006.16 = 38,809.62 : x
  2. Step 2: Convert to fraction form
    105,431.04/158,006.16 = 38,809.62/x
  3. Step 3: Cross multiply
    105,431.04x = 158,006.16 × 38,809.62
  4. Step 4: Simplify right side
    105,431.04x = 6,132,159,027.26
  5. Step 5: Solve for x
    x = 6,132,159,027.26/105,431.04
  6. Step 6: Final answer
    x = 58,162.75

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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.