Home / 131,148.48-181,000.26-74,568.36

Finding the Fourth Proportional to 131,148.48, 181,000.26 and 74,568.36

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Solution

The fourth proportional to 131,148.48, 181,000.26 and 74,568.36 is: 102,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148.48 : 181,000.26 = 74,568.36 : x
  2. Step 2: Convert to fraction form
    131,148.48/181,000.26 = 74,568.36/x
  3. Step 3: Cross multiply
    131,148.48x = 181,000.26 × 74,568.36
  4. Step 4: Simplify right side
    131,148.48x = 13,496,892,547.77
  5. Step 5: Solve for x
    x = 13,496,892,547.77/131,148.48
  6. Step 6: Final answer
    x = 102,913.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.