Home / 121,637.20-182,455.80-88,200.40

Finding the Fourth Proportional to 121,637.20, 182,455.80 and 88,200.40

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Solution

The fourth proportional to 121,637.20, 182,455.80 and 88,200.40 is: 132,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,637.20 : 182,455.80 = 88,200.40 : x
  2. Step 2: Convert to fraction form
    121,637.20/182,455.80 = 88,200.40/x
  3. Step 3: Cross multiply
    121,637.20x = 182,455.80 × 88,200.40
  4. Step 4: Simplify right side
    121,637.20x = 16,092,674,542.32
  5. Step 5: Solve for x
    x = 16,092,674,542.32/121,637.20
  6. Step 6: Final answer
    x = 132,300.60

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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.