Home / 148,564.13-205,018.83-84,901.77

Finding the Fourth Proportional to 148,564.13, 205,018.83 and 84,901.77

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Solution

The fourth proportional to 148,564.13, 205,018.83 and 84,901.77 is: 117,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,564.13 : 205,018.83 = 84,901.77 : x
  2. Step 2: Convert to fraction form
    148,564.13/205,018.83 = 84,901.77/x
  3. Step 3: Cross multiply
    148,564.13x = 205,018.83 × 84,901.77
  4. Step 4: Simplify right side
    148,564.13x = 17,406,461,550.33
  5. Step 5: Solve for x
    x = 17,406,461,550.33/148,564.13
  6. Step 6: Final answer
    x = 117,164.64

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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.