Home / 155,931.40-234,012.30-103,323.40

Finding the Fourth Proportional to 155,931.40, 234,012.30 and 103,323.40

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Solution

The fourth proportional to 155,931.40, 234,012.30 and 103,323.40 is: 155,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,931.40 : 234,012.30 = 103,323.40 : x
  2. Step 2: Convert to fraction form
    155,931.40/234,012.30 = 103,323.40/x
  3. Step 3: Cross multiply
    155,931.40x = 234,012.30 × 103,323.40
  4. Step 4: Simplify right side
    155,931.40x = 24,178,946,477.82
  5. Step 5: Solve for x
    x = 24,178,946,477.82/155,931.40
  6. Step 6: Final answer
    x = 155,061.43

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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.