Home / 109,252.08-150,779.16-66,838.80

Finding the Fourth Proportional to 109,252.08, 150,779.16 and 66,838.80

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Solution

The fourth proportional to 109,252.08, 150,779.16 and 66,838.80 is: 92,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,252.08 : 150,779.16 = 66,838.80 : x
  2. Step 2: Convert to fraction form
    109,252.08/150,779.16 = 66,838.80/x
  3. Step 3: Cross multiply
    109,252.08x = 150,779.16 × 66,838.80
  4. Step 4: Simplify right side
    109,252.08x = 10,077,898,119.41
  5. Step 5: Solve for x
    x = 10,077,898,119.41/109,252.08
  6. Step 6: Final answer
    x = 92,244.45

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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.