Home / 224,922.02-310,392.70-129,426.80

Finding the Fourth Proportional to 224,922.02, 310,392.70 and 129,426.80

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Solution

The fourth proportional to 224,922.02, 310,392.70 and 129,426.80 is: 178,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,922.02 : 310,392.70 = 129,426.80 : x
  2. Step 2: Convert to fraction form
    224,922.02/310,392.70 = 129,426.80/x
  3. Step 3: Cross multiply
    224,922.02x = 310,392.70 × 129,426.80
  4. Step 4: Simplify right side
    224,922.02x = 40,173,133,904.36
  5. Step 5: Solve for x
    x = 40,173,133,904.36/224,922.02
  6. Step 6: Final answer
    x = 178,609.16

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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.