Home / 115,272.27-159,075.40-64,285.05

Finding the Fourth Proportional to 115,272.27, 159,075.40 and 64,285.05

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Solution

The fourth proportional to 115,272.27, 159,075.40 and 64,285.05 is: 88,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272.27 : 159,075.40 = 64,285.05 : x
  2. Step 2: Convert to fraction form
    115,272.27/159,075.40 = 64,285.05/x
  3. Step 3: Cross multiply
    115,272.27x = 159,075.40 × 64,285.05
  4. Step 4: Simplify right side
    115,272.27x = 10,226,170,042.77
  5. Step 5: Solve for x
    x = 10,226,170,042.77/115,272.27
  6. Step 6: Final answer
    x = 88,713.18

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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.