Home / 155,302.89-232,915.86-66,546.33

Finding the Fourth Proportional to 155,302.89, 232,915.86 and 66,546.33

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Solution

The fourth proportional to 155,302.89, 232,915.86 and 66,546.33 is: 99,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,302.89 : 232,915.86 = 66,546.33 : x
  2. Step 2: Convert to fraction form
    155,302.89/232,915.86 = 66,546.33/x
  3. Step 3: Cross multiply
    155,302.89x = 232,915.86 × 66,546.33
  4. Step 4: Simplify right side
    155,302.89x = 15,499,695,681.79
  5. Step 5: Solve for x
    x = 15,499,695,681.79/155,302.89
  6. Step 6: Final answer
    x = 99,803.01

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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.