Home / 158,316.93-218,382.89-137,059.29

Finding the Fourth Proportional to 158,316.93, 218,382.89 and 137,059.29

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Solution

The fourth proportional to 158,316.93, 218,382.89 and 137,059.29 is: 189,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,316.93 : 218,382.89 = 137,059.29 : x
  2. Step 2: Convert to fraction form
    158,316.93/218,382.89 = 137,059.29/x
  3. Step 3: Cross multiply
    158,316.93x = 218,382.89 × 137,059.29
  4. Step 4: Simplify right side
    158,316.93x = 29,931,403,166.25
  5. Step 5: Solve for x
    x = 29,931,403,166.25/158,316.93
  6. Step 6: Final answer
    x = 189,060.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.