Home / 210,032.70-314,967.15-91,623.30

Finding the Fourth Proportional to 210,032.70, 314,967.15 and 91,623.30

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Solution

The fourth proportional to 210,032.70, 314,967.15 and 91,623.30 is: 137,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,032.70 : 314,967.15 = 91,623.30 : x
  2. Step 2: Convert to fraction form
    210,032.70/314,967.15 = 91,623.30/x
  3. Step 3: Cross multiply
    210,032.70x = 314,967.15 × 91,623.30
  4. Step 4: Simplify right side
    210,032.70x = 28,858,329,674.60
  5. Step 5: Solve for x
    x = 28,858,329,674.60/210,032.70
  6. Step 6: Final answer
    x = 137,399.22

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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.