Home / 157,983.30-236,765.36-69,140.06

Finding the Fourth Proportional to 157,983.30, 236,765.36 and 69,140.06

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Solution

The fourth proportional to 157,983.30, 236,765.36 and 69,140.06 is: 103,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,983.30 : 236,765.36 = 69,140.06 : x
  2. Step 2: Convert to fraction form
    157,983.30/236,765.36 = 69,140.06/x
  3. Step 3: Cross multiply
    157,983.30x = 236,765.36 × 69,140.06
  4. Step 4: Simplify right side
    157,983.30x = 16,369,971,196.32
  5. Step 5: Solve for x
    x = 16,369,971,196.32/157,983.30
  6. Step 6: Final answer
    x = 103,618.36

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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.