Home / 136,001.52-187,678.06-75,570.68

Finding the Fourth Proportional to 136,001.52, 187,678.06 and 75,570.68

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Solution

The fourth proportional to 136,001.52, 187,678.06 and 75,570.68 is: 104,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,001.52 : 187,678.06 = 75,570.68 : x
  2. Step 2: Convert to fraction form
    136,001.52/187,678.06 = 75,570.68/x
  3. Step 3: Cross multiply
    136,001.52x = 187,678.06 × 75,570.68
  4. Step 4: Simplify right side
    136,001.52x = 14,182,958,615.28
  5. Step 5: Solve for x
    x = 14,182,958,615.28/136,001.52
  6. Step 6: Final answer
    x = 104,285.29

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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.