Home / 112,649.02-155,490.27-64,934.26

Finding the Fourth Proportional to 112,649.02, 155,490.27 and 64,934.26

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Solution

The fourth proportional to 112,649.02, 155,490.27 and 64,934.26 is: 89,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,649.02 : 155,490.27 = 64,934.26 : x
  2. Step 2: Convert to fraction form
    112,649.02/155,490.27 = 64,934.26/x
  3. Step 3: Cross multiply
    112,649.02x = 155,490.27 × 64,934.26
  4. Step 4: Simplify right side
    112,649.02x = 10,096,645,619.65
  5. Step 5: Solve for x
    x = 10,096,645,619.65/112,649.02
  6. Step 6: Final answer
    x = 89,629.24

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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.