Home / 112,744.80-155,587.50-62,443.80

Finding the Fourth Proportional to 112,744.80, 155,587.50 and 62,443.80

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Solution

The fourth proportional to 112,744.80, 155,587.50 and 62,443.80 is: 86,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.80 : 155,587.50 = 62,443.80 : x
  2. Step 2: Convert to fraction form
    112,744.80/155,587.50 = 62,443.80/x
  3. Step 3: Cross multiply
    112,744.80x = 155,587.50 × 62,443.80
  4. Step 4: Simplify right side
    112,744.80x = 9,715,474,732.50
  5. Step 5: Solve for x
    x = 9,715,474,732.50/112,744.80
  6. Step 6: Final answer
    x = 86,172.26

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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.