Home / 115,657.20-159,625.08-83,814.48

Finding the Fourth Proportional to 115,657.20, 159,625.08 and 83,814.48

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Solution

The fourth proportional to 115,657.20, 159,625.08 and 83,814.48 is: 115,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.20 : 159,625.08 = 83,814.48 : x
  2. Step 2: Convert to fraction form
    115,657.20/159,625.08 = 83,814.48/x
  3. Step 3: Cross multiply
    115,657.20x = 159,625.08 × 83,814.48
  4. Step 4: Simplify right side
    115,657.20x = 13,378,893,075.16
  5. Step 5: Solve for x
    x = 13,378,893,075.16/115,657.20
  6. Step 6: Final answer
    x = 115,677.13

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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.