Home / 101,026.68-139,417.86-55,706.28

Finding the Fourth Proportional to 101,026.68, 139,417.86 and 55,706.28

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Solution

The fourth proportional to 101,026.68, 139,417.86 and 55,706.28 is: 76,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,026.68 : 139,417.86 = 55,706.28 : x
  2. Step 2: Convert to fraction form
    101,026.68/139,417.86 = 55,706.28/x
  3. Step 3: Cross multiply
    101,026.68x = 139,417.86 × 55,706.28
  4. Step 4: Simplify right side
    101,026.68x = 7,766,450,346.16
  5. Step 5: Solve for x
    x = 7,766,450,346.16/101,026.68
  6. Step 6: Final answer
    x = 76,875.24

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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.