Home / 147,243.36-220,900.26-47,412.90

Finding the Fourth Proportional to 147,243.36, 220,900.26 and 47,412.90

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Solution

The fourth proportional to 147,243.36, 220,900.26 and 47,412.90 is: 71,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,243.36 : 220,900.26 = 47,412.90 : x
  2. Step 2: Convert to fraction form
    147,243.36/220,900.26 = 47,412.90/x
  3. Step 3: Cross multiply
    147,243.36x = 220,900.26 × 47,412.90
  4. Step 4: Simplify right side
    147,243.36x = 10,473,521,937.35
  5. Step 5: Solve for x
    x = 10,473,521,937.35/147,243.36
  6. Step 6: Final answer
    x = 71,130.69

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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.