Home / 99,010.89-148,457.03-31,513.77

Finding the Fourth Proportional to 99,010.89, 148,457.03 and 31,513.77

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Solution

The fourth proportional to 99,010.89, 148,457.03 and 31,513.77 is: 47,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010.89 : 148,457.03 = 31,513.77 : x
  2. Step 2: Convert to fraction form
    99,010.89/148,457.03 = 31,513.77/x
  3. Step 3: Cross multiply
    99,010.89x = 148,457.03 × 31,513.77
  4. Step 4: Simplify right side
    99,010.89x = 4,678,441,294.41
  5. Step 5: Solve for x
    x = 4,678,441,294.41/99,010.89
  6. Step 6: Final answer
    x = 47,251.78

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1.5x scale

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.