Home / 101,010.04-139,394.76-55,689.63

Finding the Fourth Proportional to 101,010.04, 139,394.76 and 55,689.63

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Solution

The fourth proportional to 101,010.04, 139,394.76 and 55,689.63 is: 76,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,010.04 : 139,394.76 = 55,689.63 : x
  2. Step 2: Convert to fraction form
    101,010.04/139,394.76 = 55,689.63/x
  3. Step 3: Cross multiply
    101,010.04x = 139,394.76 × 55,689.63
  4. Step 4: Simplify right side
    101,010.04x = 7,762,842,608.34
  5. Step 5: Solve for x
    x = 7,762,842,608.34/101,010.04
  6. Step 6: Final answer
    x = 76,852.19

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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.