Home / 152,344.08-210,222-91,088.64

Finding the Fourth Proportional to 152,344.08, 210,222 and 91,088.64

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Solution

The fourth proportional to 152,344.08, 210,222 and 91,088.64 is: 125,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,344.08 : 210,222 = 91,088.64 : x
  2. Step 2: Convert to fraction form
    152,344.08/210,222 = 91,088.64/x
  3. Step 3: Cross multiply
    152,344.08x = 210,222 × 91,088.64
  4. Step 4: Simplify right side
    152,344.08x = 19,148,836,078.08
  5. Step 5: Solve for x
    x = 19,148,836,078.08/152,344.08
  6. Step 6: Final answer
    x = 125,694.65

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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.