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Finding the Fourth Proportional to 160,514.60, 240,810.30 and 77,340.20

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Solution

The fourth proportional to 160,514.60, 240,810.30 and 77,340.20 is: 116,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,514.60 : 240,810.30 = 77,340.20 : x
  2. Step 2: Convert to fraction form
    160,514.60/240,810.30 = 77,340.20/x
  3. Step 3: Cross multiply
    160,514.60x = 240,810.30 × 77,340.20
  4. Step 4: Simplify right side
    160,514.60x = 18,624,316,764.06
  5. Step 5: Solve for x
    x = 18,624,316,764.06/160,514.60
  6. Step 6: Final answer
    x = 116,028.80

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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.