Home / 145,572.19-218,358.38-40,391.26

Finding the Fourth Proportional to 145,572.19, 218,358.38 and 40,391.26

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Solution

The fourth proportional to 145,572.19, 218,358.38 and 40,391.26 is: 60,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,572.19 : 218,358.38 = 40,391.26 : x
  2. Step 2: Convert to fraction form
    145,572.19/218,358.38 = 40,391.26/x
  3. Step 3: Cross multiply
    145,572.19x = 218,358.38 × 40,391.26
  4. Step 4: Simplify right side
    145,572.19x = 8,819,769,654.84
  5. Step 5: Solve for x
    x = 8,819,769,654.84/145,572.19
  6. Step 6: Final answer
    x = 60,586.91

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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.