Home / 115,543.44-159,434.07-64,549.84

Finding the Fourth Proportional to 115,543.44, 159,434.07 and 64,549.84

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Solution

The fourth proportional to 115,543.44, 159,434.07 and 64,549.84 is: 89,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,543.44 : 159,434.07 = 64,549.84 : x
  2. Step 2: Convert to fraction form
    115,543.44/159,434.07 = 64,549.84/x
  3. Step 3: Cross multiply
    115,543.44x = 159,434.07 × 64,549.84
  4. Step 4: Simplify right side
    115,543.44x = 10,291,443,282.03
  5. Step 5: Solve for x
    x = 10,291,443,282.03/115,543.44
  6. Step 6: Final answer
    x = 89,069.91

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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.