Home / 99,582.28-137,421.81-54,260.63

Finding the Fourth Proportional to 99,582.28, 137,421.81 and 54,260.63

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Solution

The fourth proportional to 99,582.28, 137,421.81 and 54,260.63 is: 74,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,582.28 : 137,421.81 = 54,260.63 : x
  2. Step 2: Convert to fraction form
    99,582.28/137,421.81 = 54,260.63/x
  3. Step 3: Cross multiply
    99,582.28x = 137,421.81 × 54,260.63
  4. Step 4: Simplify right side
    99,582.28x = 7,456,593,986.34
  5. Step 5: Solve for x
    x = 7,456,593,986.34/99,582.28
  6. Step 6: Final answer
    x = 74,878.72

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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.