Home / 130,817.86-180,553.53-74,234.50

Finding the Fourth Proportional to 130,817.86, 180,553.53 and 74,234.50

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Solution

The fourth proportional to 130,817.86, 180,553.53 and 74,234.50 is: 102,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,817.86 : 180,553.53 = 74,234.50 : x
  2. Step 2: Convert to fraction form
    130,817.86/180,553.53 = 74,234.50/x
  3. Step 3: Cross multiply
    130,817.86x = 180,553.53 × 74,234.50
  4. Step 4: Simplify right side
    130,817.86x = 13,403,301,022.79
  5. Step 5: Solve for x
    x = 13,403,301,022.79/130,817.86
  6. Step 6: Final answer
    x = 102,457.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.