Home / 195,543.36-293,109.84-90,431.28

Finding the Fourth Proportional to 195,543.36, 293,109.84 and 90,431.28

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Solution

The fourth proportional to 195,543.36, 293,109.84 and 90,431.28 is: 135,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,543.36 : 293,109.84 = 90,431.28 : x
  2. Step 2: Convert to fraction form
    195,543.36/293,109.84 = 90,431.28/x
  3. Step 3: Cross multiply
    195,543.36x = 293,109.84 × 90,431.28
  4. Step 4: Simplify right side
    195,543.36x = 26,506,298,011.80
  5. Step 5: Solve for x
    x = 26,506,298,011.80/195,543.36
  6. Step 6: Final answer
    x = 135,552.02

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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.