Home / 103,609.03-142,967.01-58,285.48

Finding the Fourth Proportional to 103,609.03, 142,967.01 and 58,285.48

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Solution

The fourth proportional to 103,609.03, 142,967.01 and 58,285.48 is: 80,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,609.03 : 142,967.01 = 58,285.48 : x
  2. Step 2: Convert to fraction form
    103,609.03/142,967.01 = 58,285.48/x
  3. Step 3: Cross multiply
    103,609.03x = 142,967.01 × 58,285.48
  4. Step 4: Simplify right side
    103,609.03x = 8,332,900,802.01
  5. Step 5: Solve for x
    x = 8,332,900,802.01/103,609.03
  6. Step 6: Final answer
    x = 80,426.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.