Home / 191,329.74-286,999.35-91,500.48

Finding the Fourth Proportional to 191,329.74, 286,999.35 and 91,500.48

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Solution

The fourth proportional to 191,329.74, 286,999.35 and 91,500.48 is: 137,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,329.74 : 286,999.35 = 91,500.48 : x
  2. Step 2: Convert to fraction form
    191,329.74/286,999.35 = 91,500.48/x
  3. Step 3: Cross multiply
    191,329.74x = 286,999.35 × 91,500.48
  4. Step 4: Simplify right side
    191,329.74x = 26,260,578,284.69
  5. Step 5: Solve for x
    x = 26,260,578,284.69/191,329.74
  6. Step 6: Final answer
    x = 137,252.99

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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.