Home / 152,190.68-210,029.32-84,206.54

Finding the Fourth Proportional to 152,190.68, 210,029.32 and 84,206.54

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Solution

The fourth proportional to 152,190.68, 210,029.32 and 84,206.54 is: 116,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,190.68 : 210,029.32 = 84,206.54 : x
  2. Step 2: Convert to fraction form
    152,190.68/210,029.32 = 84,206.54/x
  3. Step 3: Cross multiply
    152,190.68x = 210,029.32 × 84,206.54
  4. Step 4: Simplify right side
    152,190.68x = 17,685,842,966.08
  5. Step 5: Solve for x
    x = 17,685,842,966.08/152,190.68
  6. Step 6: Final answer
    x = 116,208.45

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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.