Home / 152,187.68-210,025.17-84,203.55

Finding the Fourth Proportional to 152,187.68, 210,025.17 and 84,203.55

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Solution

The fourth proportional to 152,187.68, 210,025.17 and 84,203.55 is: 116,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,187.68 : 210,025.17 = 84,203.55 : x
  2. Step 2: Convert to fraction form
    152,187.68/210,025.17 = 84,203.55/x
  3. Step 3: Cross multiply
    152,187.68x = 210,025.17 × 84,203.55
  4. Step 4: Simplify right side
    152,187.68x = 17,684,864,903.35
  5. Step 5: Solve for x
    x = 17,684,864,903.35/152,187.68
  6. Step 6: Final answer
    x = 116,204.31

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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.