Home / 233,913.29-322,802.16-129,140.50

Finding the Fourth Proportional to 233,913.29, 322,802.16 and 129,140.50

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Solution

The fourth proportional to 233,913.29, 322,802.16 and 129,140.50 is: 178,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,913.29 : 322,802.16 = 129,140.50 : x
  2. Step 2: Convert to fraction form
    233,913.29/322,802.16 = 129,140.50/x
  3. Step 3: Cross multiply
    233,913.29x = 322,802.16 × 129,140.50
  4. Step 4: Simplify right side
    233,913.29x = 41,686,832,343.48
  5. Step 5: Solve for x
    x = 41,686,832,343.48/233,913.29
  6. Step 6: Final answer
    x = 178,214.89

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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.