Home / 116,011.09-160,172.40-89,105.46

Finding the Fourth Proportional to 116,011.09, 160,172.40 and 89,105.46

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Solution

The fourth proportional to 116,011.09, 160,172.40 and 89,105.46 is: 123,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,011.09 : 160,172.40 = 89,105.46 : x
  2. Step 2: Convert to fraction form
    116,011.09/160,172.40 = 89,105.46/x
  3. Step 3: Cross multiply
    116,011.09x = 160,172.40 × 89,105.46
  4. Step 4: Simplify right side
    116,011.09x = 14,272,235,381.30
  5. Step 5: Solve for x
    x = 14,272,235,381.30/116,011.09
  6. Step 6: Final answer
    x = 123,024.75

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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.