Home / 289,126.55-398,995.16-160,073.96

Finding the Fourth Proportional to 289,126.55, 398,995.16 and 160,073.96

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Solution

The fourth proportional to 289,126.55, 398,995.16 and 160,073.96 is: 220,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,126.55 : 398,995.16 = 160,073.96 : x
  2. Step 2: Convert to fraction form
    289,126.55/398,995.16 = 160,073.96/x
  3. Step 3: Cross multiply
    289,126.55x = 398,995.16 × 160,073.96
  4. Step 4: Simplify right side
    289,126.55x = 63,868,732,486.69
  5. Step 5: Solve for x
    x = 63,868,732,486.69/289,126.55
  6. Step 6: Final answer
    x = 220,902.35

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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.