Home / 161,377.02-241,547.94-86,309.46

Finding the Fourth Proportional to 161,377.02, 241,547.94 and 86,309.46

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Solution

The fourth proportional to 161,377.02, 241,547.94 and 86,309.46 is: 129,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,377.02 : 241,547.94 = 86,309.46 : x
  2. Step 2: Convert to fraction form
    161,377.02/241,547.94 = 86,309.46/x
  3. Step 3: Cross multiply
    161,377.02x = 241,547.94 × 86,309.46
  4. Step 4: Simplify right side
    161,377.02x = 20,847,872,265.51
  5. Step 5: Solve for x
    x = 20,847,872,265.51/161,377.02
  6. Step 6: Final answer
    x = 129,187.37

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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.