Home / 97,345.78-146,018.67-38,209.30

Finding the Fourth Proportional to 97,345.78, 146,018.67 and 38,209.30

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Solution

The fourth proportional to 97,345.78, 146,018.67 and 38,209.30 is: 57,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,345.78 : 146,018.67 = 38,209.30 : x
  2. Step 2: Convert to fraction form
    97,345.78/146,018.67 = 38,209.30/x
  3. Step 3: Cross multiply
    97,345.78x = 146,018.67 × 38,209.30
  4. Step 4: Simplify right side
    97,345.78x = 5,579,271,167.63
  5. Step 5: Solve for x
    x = 5,579,271,167.63/97,345.78
  6. Step 6: Final answer
    x = 57,313.95

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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.