Home / 114,985.45-158,678.33-63,998.20

Finding the Fourth Proportional to 114,985.45, 158,678.33 and 63,998.20

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Solution

The fourth proportional to 114,985.45, 158,678.33 and 63,998.20 is: 88,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985.45 : 158,678.33 = 63,998.20 : x
  2. Step 2: Convert to fraction form
    114,985.45/158,678.33 = 63,998.20/x
  3. Step 3: Cross multiply
    114,985.45x = 158,678.33 × 63,998.20
  4. Step 4: Simplify right side
    114,985.45x = 10,155,127,471.06
  5. Step 5: Solve for x
    x = 10,155,127,471.06/114,985.45
  6. Step 6: Final answer
    x = 88,316.63

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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.