Home / 154,444.52-213,152.10-87,363.56

Finding the Fourth Proportional to 154,444.52, 213,152.10 and 87,363.56

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Solution

The fourth proportional to 154,444.52, 213,152.10 and 87,363.56 is: 120,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,444.52 : 213,152.10 = 87,363.56 : x
  2. Step 2: Convert to fraction form
    154,444.52/213,152.10 = 87,363.56/x
  3. Step 3: Cross multiply
    154,444.52x = 213,152.10 × 87,363.56
  4. Step 4: Simplify right side
    154,444.52x = 18,621,726,277.48
  5. Step 5: Solve for x
    x = 18,621,726,277.48/154,444.52
  6. Step 6: Final answer
    x = 120,572.27

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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.