Home / 155,217.40-232,826.10-143,407.60

Finding the Fourth Proportional to 155,217.40, 232,826.10 and 143,407.60

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Solution

The fourth proportional to 155,217.40, 232,826.10 and 143,407.60 is: 215,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,217.40 : 232,826.10 = 143,407.60 : x
  2. Step 2: Convert to fraction form
    155,217.40/232,826.10 = 143,407.60/x
  3. Step 3: Cross multiply
    155,217.40x = 232,826.10 × 143,407.60
  4. Step 4: Simplify right side
    155,217.40x = 33,389,032,218.36
  5. Step 5: Solve for x
    x = 33,389,032,218.36/155,217.40
  6. Step 6: Final answer
    x = 215,111.40

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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.