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Finding the Fourth Proportional to 117,946.40, 176,682.48 and 58,602.40

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Solution

The fourth proportional to 117,946.40, 176,682.48 and 58,602.40 is: 87,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,946.40 : 176,682.48 = 58,602.40 : x
  2. Step 2: Convert to fraction form
    117,946.40/176,682.48 = 58,602.40/x
  3. Step 3: Cross multiply
    117,946.40x = 176,682.48 × 58,602.40
  4. Step 4: Simplify right side
    117,946.40x = 10,354,017,365.95
  5. Step 5: Solve for x
    x = 10,354,017,365.95/117,946.40
  6. Step 6: Final answer
    x = 87,785.79

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1.5x scale

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.