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Finding the Fourth Proportional to 101,275.44, 151,866.99 and 42,075.78

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Solution

The fourth proportional to 101,275.44, 151,866.99 and 42,075.78 is: 63,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,275.44 : 151,866.99 = 42,075.78 : x
  2. Step 2: Convert to fraction form
    101,275.44/151,866.99 = 42,075.78/x
  3. Step 3: Cross multiply
    101,275.44x = 151,866.99 × 42,075.78
  4. Step 4: Simplify right side
    101,275.44x = 6,389,922,060.50
  5. Step 5: Solve for x
    x = 6,389,922,060.50/101,275.44
  6. Step 6: Final answer
    x = 63,094.49

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1.5x scale

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.