Home / 401,737.63-602,641.47-131,784.83

Finding the Fourth Proportional to 401,737.63, 602,641.47 and 131,784.83

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Solution

The fourth proportional to 401,737.63, 602,641.47 and 131,784.83 is: 197,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,737.63 : 602,641.47 = 131,784.83 : x
  2. Step 2: Convert to fraction form
    401,737.63/602,641.47 = 131,784.83/x
  3. Step 3: Cross multiply
    401,737.63x = 602,641.47 × 131,784.83
  4. Step 4: Simplify right side
    401,737.63x = 79,419,003,674.90
  5. Step 5: Solve for x
    x = 79,419,003,674.90/401,737.63
  6. Step 6: Final answer
    x = 197,688.73

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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.