Home / 147,180.48-220,803.63-53,686.23

Finding the Fourth Proportional to 147,180.48, 220,803.63 and 53,686.23

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Solution

The fourth proportional to 147,180.48, 220,803.63 and 53,686.23 is: 80,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,180.48 : 220,803.63 = 53,686.23 : x
  2. Step 2: Convert to fraction form
    147,180.48/220,803.63 = 53,686.23/x
  3. Step 3: Cross multiply
    147,180.48x = 220,803.63 × 53,686.23
  4. Step 4: Simplify right side
    147,180.48x = 11,854,113,361.00
  5. Step 5: Solve for x
    x = 11,854,113,361.00/147,180.48
  6. Step 6: Final answer
    x = 80,541.34

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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.