Home / 90,117.48-135,162.03-56,735.35

Finding the Fourth Proportional to 90,117.48, 135,162.03 and 56,735.35

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Solution

The fourth proportional to 90,117.48, 135,162.03 and 56,735.35 is: 85,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,117.48 : 135,162.03 = 56,735.35 : x
  2. Step 2: Convert to fraction form
    90,117.48/135,162.03 = 56,735.35/x
  3. Step 3: Cross multiply
    90,117.48x = 135,162.03 × 56,735.35
  4. Step 4: Simplify right side
    90,117.48x = 7,668,465,078.76
  5. Step 5: Solve for x
    x = 7,668,465,078.76/90,117.48
  6. Step 6: Final answer
    x = 85,094.09

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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.