Home / 90,666.04-136,022.12-53,257.74

Finding the Fourth Proportional to 90,666.04, 136,022.12 and 53,257.74

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Solution

The fourth proportional to 90,666.04, 136,022.12 and 53,257.74 is: 79,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,666.04 : 136,022.12 = 53,257.74 : x
  2. Step 2: Convert to fraction form
    90,666.04/136,022.12 = 53,257.74/x
  3. Step 3: Cross multiply
    90,666.04x = 136,022.12 × 53,257.74
  4. Step 4: Simplify right side
    90,666.04x = 7,244,230,701.21
  5. Step 5: Solve for x
    x = 7,244,230,701.21/90,666.04
  6. Step 6: Final answer
    x = 79,900.16

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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.