Home / 105,146.64-157,740.55-38,587.25

Finding the Fourth Proportional to 105,146.64, 157,740.55 and 38,587.25

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Solution

The fourth proportional to 105,146.64, 157,740.55 and 38,587.25 is: 57,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,146.64 : 157,740.55 = 38,587.25 : x
  2. Step 2: Convert to fraction form
    105,146.64/157,740.55 = 38,587.25/x
  3. Step 3: Cross multiply
    105,146.64x = 157,740.55 × 38,587.25
  4. Step 4: Simplify right side
    105,146.64x = 6,086,774,335.87
  5. Step 5: Solve for x
    x = 6,086,774,335.87/105,146.64
  6. Step 6: Final answer
    x = 57,888.43

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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.