Home / 180,003.40-269,681.10-142,808.20

Finding the Fourth Proportional to 180,003.40, 269,681.10 and 142,808.20

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Solution

The fourth proportional to 180,003.40, 269,681.10 and 142,808.20 is: 213,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,003.40 : 269,681.10 = 142,808.20 : x
  2. Step 2: Convert to fraction form
    180,003.40/269,681.10 = 142,808.20/x
  3. Step 3: Cross multiply
    180,003.40x = 269,681.10 × 142,808.20
  4. Step 4: Simplify right side
    180,003.40x = 38,512,672,465.02
  5. Step 5: Solve for x
    x = 38,512,672,465.02/180,003.40
  6. Step 6: Final answer
    x = 213,955.25

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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.