Home / 136,271.77-188,053.15-75,842.40

Finding the Fourth Proportional to 136,271.77, 188,053.15 and 75,842.40

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Solution

The fourth proportional to 136,271.77, 188,053.15 and 75,842.40 is: 104,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,271.77 : 188,053.15 = 75,842.40 : x
  2. Step 2: Convert to fraction form
    136,271.77/188,053.15 = 75,842.40/x
  3. Step 3: Cross multiply
    136,271.77x = 188,053.15 × 75,842.40
  4. Step 4: Simplify right side
    136,271.77x = 14,262,402,223.56
  5. Step 5: Solve for x
    x = 14,262,402,223.56/136,271.77
  6. Step 6: Final answer
    x = 104,661.46

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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.