Home / 158,309.16-237,476.10-45,991.20

Finding the Fourth Proportional to 158,309.16, 237,476.10 and 45,991.20

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Solution

The fourth proportional to 158,309.16, 237,476.10 and 45,991.20 is: 68,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,309.16 : 237,476.10 = 45,991.20 : x
  2. Step 2: Convert to fraction form
    158,309.16/237,476.10 = 45,991.20/x
  3. Step 3: Cross multiply
    158,309.16x = 237,476.10 × 45,991.20
  4. Step 4: Simplify right side
    158,309.16x = 10,921,810,810.32
  5. Step 5: Solve for x
    x = 10,921,810,810.32/158,309.16
  6. Step 6: Final answer
    x = 68,990.39

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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.