Home / 263,557.02-363,709.53-142,699.62

Finding the Fourth Proportional to 263,557.02, 363,709.53 and 142,699.62

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Solution

The fourth proportional to 263,557.02, 363,709.53 and 142,699.62 is: 196,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,557.02 : 363,709.53 = 142,699.62 : x
  2. Step 2: Convert to fraction form
    263,557.02/363,709.53 = 142,699.62/x
  3. Step 3: Cross multiply
    263,557.02x = 363,709.53 × 142,699.62
  4. Step 4: Simplify right side
    263,557.02x = 51,901,211,721.38
  5. Step 5: Solve for x
    x = 51,901,211,721.38/263,557.02
  6. Step 6: Final answer
    x = 196,925.93

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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.