Home / 123,666.15-185,280.53-104,857.95

Finding the Fourth Proportional to 123,666.15, 185,280.53 and 104,857.95

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Solution

The fourth proportional to 123,666.15, 185,280.53 and 104,857.95 is: 157,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,666.15 : 185,280.53 = 104,857.95 : x
  2. Step 2: Convert to fraction form
    123,666.15/185,280.53 = 104,857.95/x
  3. Step 3: Cross multiply
    123,666.15x = 185,280.53 × 104,857.95
  4. Step 4: Simplify right side
    123,666.15x = 19,428,136,026.42
  5. Step 5: Solve for x
    x = 19,428,136,026.42/123,666.15
  6. Step 6: Final answer
    x = 157,101.49

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1.5x scale

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.