Home / 89,982.24-124,126.40-54,150.72

Finding the Fourth Proportional to 89,982.24, 124,126.40 and 54,150.72

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Solution

The fourth proportional to 89,982.24, 124,126.40 and 54,150.72 is: 74,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.24 : 124,126.40 = 54,150.72 : x
  2. Step 2: Convert to fraction form
    89,982.24/124,126.40 = 54,150.72/x
  3. Step 3: Cross multiply
    89,982.24x = 124,126.40 × 54,150.72
  4. Step 4: Simplify right side
    89,982.24x = 6,721,533,931.01
  5. Step 5: Solve for x
    x = 6,721,533,931.01/89,982.24
  6. Step 6: Final answer
    x = 74,698.45

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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.