Home / 157,977.09-236,930.72-45,632.93

Finding the Fourth Proportional to 157,977.09, 236,930.72 and 45,632.93

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Solution

The fourth proportional to 157,977.09, 236,930.72 and 45,632.93 is: 68,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,977.09 : 236,930.72 = 45,632.93 : x
  2. Step 2: Convert to fraction form
    157,977.09/236,930.72 = 45,632.93/x
  3. Step 3: Cross multiply
    157,977.09x = 236,930.72 × 45,632.93
  4. Step 4: Simplify right side
    157,977.09x = 10,811,841,547.79
  5. Step 5: Solve for x
    x = 10,811,841,547.79/157,977.09
  6. Step 6: Final answer
    x = 68,439.30

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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.