Home / 90,749.30-136,123.65-23,281.26

Finding the Fourth Proportional to 90,749.30, 136,123.65 and 23,281.26

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Solution

The fourth proportional to 90,749.30, 136,123.65 and 23,281.26 is: 34,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749.30 : 136,123.65 = 23,281.26 : x
  2. Step 2: Convert to fraction form
    90,749.30/136,123.65 = 23,281.26/x
  3. Step 3: Cross multiply
    90,749.30x = 136,123.65 × 23,281.26
  4. Step 4: Simplify right side
    90,749.30x = 3,169,130,087.80
  5. Step 5: Solve for x
    x = 3,169,130,087.80/90,749.30
  6. Step 6: Final answer
    x = 34,921.81

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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.