Home / 106,355.48-146,768.67-57,957.83

Finding the Fourth Proportional to 106,355.48, 146,768.67 and 57,957.83

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Solution

The fourth proportional to 106,355.48, 146,768.67 and 57,957.83 is: 79,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,355.48 : 146,768.67 = 57,957.83 : x
  2. Step 2: Convert to fraction form
    106,355.48/146,768.67 = 57,957.83/x
  3. Step 3: Cross multiply
    106,355.48x = 146,768.67 × 57,957.83
  4. Step 4: Simplify right side
    106,355.48x = 8,506,393,625.19
  5. Step 5: Solve for x
    x = 8,506,393,625.19/106,355.48
  6. Step 6: Final answer
    x = 79,980.77

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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.