Home / 102,487.48-153,723.02-45,579.00

Finding the Fourth Proportional to 102,487.48, 153,723.02 and 45,579.00

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Solution

The fourth proportional to 102,487.48, 153,723.02 and 45,579.00 is: 68,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,487.48 : 153,723.02 = 45,579.00 : x
  2. Step 2: Convert to fraction form
    102,487.48/153,723.02 = 45,579.00/x
  3. Step 3: Cross multiply
    102,487.48x = 153,723.02 × 45,579.00
  4. Step 4: Simplify right side
    102,487.48x = 7,006,541,877.15
  5. Step 5: Solve for x
    x = 7,006,541,877.15/102,487.48
  6. Step 6: Final answer
    x = 68,364.86

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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.