Home / 145,323.15-200,643.83-129,962.04

Finding the Fourth Proportional to 145,323.15, 200,643.83 and 129,962.04

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Solution

The fourth proportional to 145,323.15, 200,643.83 and 129,962.04 is: 179,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,323.15 : 200,643.83 = 129,962.04 : x
  2. Step 2: Convert to fraction form
    145,323.15/200,643.83 = 129,962.04/x
  3. Step 3: Cross multiply
    145,323.15x = 200,643.83 × 129,962.04
  4. Step 4: Simplify right side
    145,323.15x = 26,076,080,810.40
  5. Step 5: Solve for x
    x = 26,076,080,810.40/145,323.15
  6. Step 6: Final answer
    x = 179,435.15

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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.