Home / 103,271.82-142,561.34-63,001.63

Finding the Fourth Proportional to 103,271.82, 142,561.34 and 63,001.63

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Solution

The fourth proportional to 103,271.82, 142,561.34 and 63,001.63 is: 86,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.82 : 142,561.34 = 63,001.63 : x
  2. Step 2: Convert to fraction form
    103,271.82/142,561.34 = 63,001.63/x
  3. Step 3: Cross multiply
    103,271.82x = 142,561.34 × 63,001.63
  4. Step 4: Simplify right side
    103,271.82x = 8,981,597,071.63
  5. Step 5: Solve for x
    x = 8,981,597,071.63/103,271.82
  6. Step 6: Final answer
    x = 86,970.45

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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.