Home / 136,876.50-205,315.26-42,106.06

Finding the Fourth Proportional to 136,876.50, 205,315.26 and 42,106.06

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Solution

The fourth proportional to 136,876.50, 205,315.26 and 42,106.06 is: 63,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,876.50 : 205,315.26 = 42,106.06 : x
  2. Step 2: Convert to fraction form
    136,876.50/205,315.26 = 42,106.06/x
  3. Step 3: Cross multiply
    136,876.50x = 205,315.26 × 42,106.06
  4. Step 4: Simplify right side
    136,876.50x = 8,645,016,656.48
  5. Step 5: Solve for x
    x = 8,645,016,656.48/136,876.50
  6. Step 6: Final answer
    x = 63,159.25

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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.