Home / 121,929.32-182,915.82-43,089.32

Finding the Fourth Proportional to 121,929.32, 182,915.82 and 43,089.32

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Solution

The fourth proportional to 121,929.32, 182,915.82 and 43,089.32 is: 64,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,929.32 : 182,915.82 = 43,089.32 : x
  2. Step 2: Convert to fraction form
    121,929.32/182,915.82 = 43,089.32/x
  3. Step 3: Cross multiply
    121,929.32x = 182,915.82 × 43,089.32
  4. Step 4: Simplify right side
    121,929.32x = 7,881,718,301.04
  5. Step 5: Solve for x
    x = 7,881,718,301.04/121,929.32
  6. Step 6: Final answer
    x = 64,641.70

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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.