Home / 220,741.57-304,681.95-135,929.71

Finding the Fourth Proportional to 220,741.57, 304,681.95 and 135,929.71

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Solution

The fourth proportional to 220,741.57, 304,681.95 and 135,929.71 is: 187,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,741.57 : 304,681.95 = 135,929.71 : x
  2. Step 2: Convert to fraction form
    220,741.57/304,681.95 = 135,929.71/x
  3. Step 3: Cross multiply
    220,741.57x = 304,681.95 × 135,929.71
  4. Step 4: Simplify right side
    220,741.57x = 41,415,329,105.73
  5. Step 5: Solve for x
    x = 41,415,329,105.73/220,741.57
  6. Step 6: Final answer
    x = 187,619.07

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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.