Home / 163,068.12-244,215.51-129,225.32

Finding the Fourth Proportional to 163,068.12, 244,215.51 and 129,225.32

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Solution

The fourth proportional to 163,068.12, 244,215.51 and 129,225.32 is: 193,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,068.12 : 244,215.51 = 129,225.32 : x
  2. Step 2: Convert to fraction form
    163,068.12/244,215.51 = 129,225.32/x
  3. Step 3: Cross multiply
    163,068.12x = 244,215.51 × 129,225.32
  4. Step 4: Simplify right side
    163,068.12x = 31,558,827,428.71
  5. Step 5: Solve for x
    x = 31,558,827,428.71/163,068.12
  6. Step 6: Final answer
    x = 193,531.56

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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.