Home / 105,007.13-157,482.43-38,447.60

Finding the Fourth Proportional to 105,007.13, 157,482.43 and 38,447.60

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Solution

The fourth proportional to 105,007.13, 157,482.43 and 38,447.60 is: 57,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007.13 : 157,482.43 = 38,447.60 : x
  2. Step 2: Convert to fraction form
    105,007.13/157,482.43 = 38,447.60/x
  3. Step 3: Cross multiply
    105,007.13x = 157,482.43 × 38,447.60
  4. Step 4: Simplify right side
    105,007.13x = 6,054,821,283.43
  5. Step 5: Solve for x
    x = 6,054,821,283.43/105,007.13
  6. Step 6: Final answer
    x = 57,661.05

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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.