Home / 148,681.83-205,183.98-84,151.07

Finding the Fourth Proportional to 148,681.83, 205,183.98 and 84,151.07

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Solution

The fourth proportional to 148,681.83, 205,183.98 and 84,151.07 is: 116,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,681.83 : 205,183.98 = 84,151.07 : x
  2. Step 2: Convert to fraction form
    148,681.83/205,183.98 = 84,151.07/x
  3. Step 3: Cross multiply
    148,681.83x = 205,183.98 × 84,151.07
  4. Step 4: Simplify right side
    148,681.83x = 17,266,451,463.86
  5. Step 5: Solve for x
    x = 17,266,451,463.86/148,681.83
  6. Step 6: Final answer
    x = 116,130.21

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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.