Home / 90,900.73-136,305.47-52,962.28

Finding the Fourth Proportional to 90,900.73, 136,305.47 and 52,962.28

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Solution

The fourth proportional to 90,900.73, 136,305.47 and 52,962.28 is: 79,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,900.73 : 136,305.47 = 52,962.28 : x
  2. Step 2: Convert to fraction form
    90,900.73/136,305.47 = 52,962.28/x
  3. Step 3: Cross multiply
    90,900.73x = 136,305.47 × 52,962.28
  4. Step 4: Simplify right side
    90,900.73x = 7,219,047,862.10
  5. Step 5: Solve for x
    x = 7,219,047,862.10/90,900.73
  6. Step 6: Final answer
    x = 79,416.83

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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.