Home / 285,254.09-427,948.61-93,127.49

Finding the Fourth Proportional to 285,254.09, 427,948.61 and 93,127.49

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Solution

The fourth proportional to 285,254.09, 427,948.61 and 93,127.49 is: 139,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,254.09 : 427,948.61 = 93,127.49 : x
  2. Step 2: Convert to fraction form
    285,254.09/427,948.61 = 93,127.49/x
  3. Step 3: Cross multiply
    285,254.09x = 427,948.61 × 93,127.49
  4. Step 4: Simplify right side
    285,254.09x = 39,853,777,292.91
  5. Step 5: Solve for x
    x = 39,853,777,292.91/285,254.09
  6. Step 6: Final answer
    x = 139,713.26

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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.