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Finding the Fourth Proportional to 110,340.99, 152,281.80 and 65,033.59

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Solution

The fourth proportional to 110,340.99, 152,281.80 and 65,033.59 is: 89,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,340.99 : 152,281.80 = 65,033.59 : x
  2. Step 2: Convert to fraction form
    110,340.99/152,281.80 = 65,033.59/x
  3. Step 3: Cross multiply
    110,340.99x = 152,281.80 × 65,033.59
  4. Step 4: Simplify right side
    110,340.99x = 9,903,432,145.66
  5. Step 5: Solve for x
    x = 9,903,432,145.66/110,340.99
  6. Step 6: Final answer
    x = 89,752.98

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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.