Home / 103,526.40-155,326.02-50,972.78

Finding the Fourth Proportional to 103,526.40, 155,326.02 and 50,972.78

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Solution

The fourth proportional to 103,526.40, 155,326.02 and 50,972.78 is: 76,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526.40 : 155,326.02 = 50,972.78 : x
  2. Step 2: Convert to fraction form
    103,526.40/155,326.02 = 50,972.78/x
  3. Step 3: Cross multiply
    103,526.40x = 155,326.02 × 50,972.78
  4. Step 4: Simplify right side
    103,526.40x = 7,917,399,045.74
  5. Step 5: Solve for x
    x = 7,917,399,045.74/103,526.40
  6. Step 6: Final answer
    x = 76,477.10

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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.