Home / 145,399.02-200,661.21-88,821.06

Finding the Fourth Proportional to 145,399.02, 200,661.21 and 88,821.06

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Solution

The fourth proportional to 145,399.02, 200,661.21 and 88,821.06 is: 122,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,399.02 : 200,661.21 = 88,821.06 : x
  2. Step 2: Convert to fraction form
    145,399.02/200,661.21 = 88,821.06/x
  3. Step 3: Cross multiply
    145,399.02x = 200,661.21 × 88,821.06
  4. Step 4: Simplify right side
    145,399.02x = 17,822,941,373.08
  5. Step 5: Solve for x
    x = 17,822,941,373.08/145,399.02
  6. Step 6: Final answer
    x = 122,579.52

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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.