Home / 154,342.05-231,513.08-54,501.45

Finding the Fourth Proportional to 154,342.05, 231,513.08 and 54,501.45

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Solution

The fourth proportional to 154,342.05, 231,513.08 and 54,501.45 is: 81,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,342.05 : 231,513.08 = 54,501.45 : x
  2. Step 2: Convert to fraction form
    154,342.05/231,513.08 = 54,501.45/x
  3. Step 3: Cross multiply
    154,342.05x = 231,513.08 × 54,501.45
  4. Step 4: Simplify right side
    154,342.05x = 12,617,798,281.46
  5. Step 5: Solve for x
    x = 12,617,798,281.46/154,342.05
  6. Step 6: Final answer
    x = 81,752.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.