Home / 152,288.28-210,154.77-84,305.25

Finding the Fourth Proportional to 152,288.28, 210,154.77 and 84,305.25

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Solution

The fourth proportional to 152,288.28, 210,154.77 and 84,305.25 is: 116,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,288.28 : 210,154.77 = 84,305.25 : x
  2. Step 2: Convert to fraction form
    152,288.28/210,154.77 = 84,305.25/x
  3. Step 3: Cross multiply
    152,288.28x = 210,154.77 × 84,305.25
  4. Step 4: Simplify right side
    152,288.28x = 17,717,150,423.54
  5. Step 5: Solve for x
    x = 17,717,150,423.54/152,288.28
  6. Step 6: Final answer
    x = 116,339.55

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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.