Home / 147,118.01-220,762.13-61,721.21

Finding the Fourth Proportional to 147,118.01, 220,762.13 and 61,721.21

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Solution

The fourth proportional to 147,118.01, 220,762.13 and 61,721.21 is: 92,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,118.01 : 220,762.13 = 61,721.21 : x
  2. Step 2: Convert to fraction form
    147,118.01/220,762.13 = 61,721.21/x
  3. Step 3: Cross multiply
    147,118.01x = 220,762.13 × 61,721.21
  4. Step 4: Simplify right side
    147,118.01x = 13,625,704,373.36
  5. Step 5: Solve for x
    x = 13,625,704,373.36/147,118.01
  6. Step 6: Final answer
    x = 92,617.52

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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.