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Finding the Fourth Proportional to 116,590.80, 174,886.20 and 107,648.40

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Solution

The fourth proportional to 116,590.80, 174,886.20 and 107,648.40 is: 161,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,590.80 : 174,886.20 = 107,648.40 : x
  2. Step 2: Convert to fraction form
    116,590.80/174,886.20 = 107,648.40/x
  3. Step 3: Cross multiply
    116,590.80x = 174,886.20 × 107,648.40
  4. Step 4: Simplify right side
    116,590.80x = 18,826,219,612.08
  5. Step 5: Solve for x
    x = 18,826,219,612.08/116,590.80
  6. Step 6: Final answer
    x = 161,472.60

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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.