Home / 97,666.20-146,510.24-31,090.28

Finding the Fourth Proportional to 97,666.20, 146,510.24 and 31,090.28

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Solution

The fourth proportional to 97,666.20, 146,510.24 and 31,090.28 is: 46,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,666.20 : 146,510.24 = 31,090.28 : x
  2. Step 2: Convert to fraction form
    97,666.20/146,510.24 = 31,090.28/x
  3. Step 3: Cross multiply
    97,666.20x = 146,510.24 × 31,090.28
  4. Step 4: Simplify right side
    97,666.20x = 4,555,043,496.46
  5. Step 5: Solve for x
    x = 4,555,043,496.46/97,666.20
  6. Step 6: Final answer
    x = 46,638.89

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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.