Home / 136,017.48-203,641.26-103,959.81

Finding the Fourth Proportional to 136,017.48, 203,641.26 and 103,959.81

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Solution

The fourth proportional to 136,017.48, 203,641.26 and 103,959.81 is: 155,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,017.48 : 203,641.26 = 103,959.81 : x
  2. Step 2: Convert to fraction form
    136,017.48/203,641.26 = 103,959.81/x
  3. Step 3: Cross multiply
    136,017.48x = 203,641.26 × 103,959.81
  4. Step 4: Simplify right side
    136,017.48x = 21,170,506,697.76
  5. Step 5: Solve for x
    x = 21,170,506,697.76/136,017.48
  6. Step 6: Final answer
    x = 155,645.49

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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.