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Finding the Fourth Proportional to 105,007.37, 157,482.81 and 38,447.85

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Solution

The fourth proportional to 105,007.37, 157,482.81 and 38,447.85 is: 57,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007.37 : 157,482.81 = 38,447.85 : x
  2. Step 2: Convert to fraction form
    105,007.37/157,482.81 = 38,447.85/x
  3. Step 3: Cross multiply
    105,007.37x = 157,482.81 × 38,447.85
  4. Step 4: Simplify right side
    105,007.37x = 6,054,875,456.46
  5. Step 5: Solve for x
    x = 6,054,875,456.46/105,007.37
  6. Step 6: Final answer
    x = 57,661.44

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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.