Home / 123,439.42-185,130.24-34,701.40

Finding the Fourth Proportional to 123,439.42, 185,130.24 and 34,701.40

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Solution

The fourth proportional to 123,439.42, 185,130.24 and 34,701.40 is: 52,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,439.42 : 185,130.24 = 34,701.40 : x
  2. Step 2: Convert to fraction form
    123,439.42/185,130.24 = 34,701.40/x
  3. Step 3: Cross multiply
    123,439.42x = 185,130.24 × 34,701.40
  4. Step 4: Simplify right side
    123,439.42x = 6,424,278,510.34
  5. Step 5: Solve for x
    x = 6,424,278,510.34/123,439.42
  6. Step 6: Final answer
    x = 52,043.98

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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.