Home / 101,006.19-139,389.51-55,685.83

Finding the Fourth Proportional to 101,006.19, 139,389.51 and 55,685.83

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Solution

The fourth proportional to 101,006.19, 139,389.51 and 55,685.83 is: 76,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,006.19 : 139,389.51 = 55,685.83 : x
  2. Step 2: Convert to fraction form
    101,006.19/139,389.51 = 55,685.83/x
  3. Step 3: Cross multiply
    101,006.19x = 139,389.51 × 55,685.83
  4. Step 4: Simplify right side
    101,006.19x = 7,762,020,557.64
  5. Step 5: Solve for x
    x = 7,762,020,557.64/101,006.19
  6. Step 6: Final answer
    x = 76,846.98

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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.