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Finding the Fourth Proportional to 116,446.84, 160,693.14 and 65,460.04

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Solution

The fourth proportional to 116,446.84, 160,693.14 and 65,460.04 is: 90,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,446.84 : 160,693.14 = 65,460.04 : x
  2. Step 2: Convert to fraction form
    116,446.84/160,693.14 = 65,460.04/x
  3. Step 3: Cross multiply
    116,446.84x = 160,693.14 × 65,460.04
  4. Step 4: Simplify right side
    116,446.84x = 10,518,979,372.13
  5. Step 5: Solve for x
    x = 10,518,979,372.13/116,446.84
  6. Step 6: Final answer
    x = 90,332.89

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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.