Home / 105,747.12-158,612.88-39,156.24

Finding the Fourth Proportional to 105,747.12, 158,612.88 and 39,156.24

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Solution

The fourth proportional to 105,747.12, 158,612.88 and 39,156.24 is: 58,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,747.12 : 158,612.88 = 39,156.24 : x
  2. Step 2: Convert to fraction form
    105,747.12/158,612.88 = 39,156.24/x
  3. Step 3: Cross multiply
    105,747.12x = 158,612.88 × 39,156.24
  4. Step 4: Simplify right side
    105,747.12x = 6,210,683,996.37
  5. Step 5: Solve for x
    x = 6,210,683,996.37/105,747.12
  6. Step 6: Final answer
    x = 58,731.47

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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.