Home / 102,167.28-153,051.66-57,659.40

Finding the Fourth Proportional to 102,167.28, 153,051.66 and 57,659.40

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Solution

The fourth proportional to 102,167.28, 153,051.66 and 57,659.40 is: 86,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,167.28 : 153,051.66 = 57,659.40 : x
  2. Step 2: Convert to fraction form
    102,167.28/153,051.66 = 57,659.40/x
  3. Step 3: Cross multiply
    102,167.28x = 153,051.66 × 57,659.40
  4. Step 4: Simplify right side
    102,167.28x = 8,824,866,884.60
  5. Step 5: Solve for x
    x = 8,824,866,884.60/102,167.28
  6. Step 6: Final answer
    x = 86,376.65

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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.