Home / 153,003.10-229,504.65-152,128.30

Finding the Fourth Proportional to 153,003.10, 229,504.65 and 152,128.30

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Solution

The fourth proportional to 153,003.10, 229,504.65 and 152,128.30 is: 228,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,003.10 : 229,504.65 = 152,128.30 : x
  2. Step 2: Convert to fraction form
    153,003.10/229,504.65 = 152,128.30/x
  3. Step 3: Cross multiply
    153,003.10x = 229,504.65 × 152,128.30
  4. Step 4: Simplify right side
    153,003.10x = 34,914,152,246.60
  5. Step 5: Solve for x
    x = 34,914,152,246.60/153,003.10
  6. Step 6: Final answer
    x = 228,192.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.