Home / 112,816.30-155,686.17-62,515.30

Finding the Fourth Proportional to 112,816.30, 155,686.17 and 62,515.30

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Solution

The fourth proportional to 112,816.30, 155,686.17 and 62,515.30 is: 86,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,816.30 : 155,686.17 = 62,515.30 : x
  2. Step 2: Convert to fraction form
    112,816.30/155,686.17 = 62,515.30/x
  3. Step 3: Cross multiply
    112,816.30x = 155,686.17 × 62,515.30
  4. Step 4: Simplify right side
    112,816.30x = 9,732,767,623.40
  5. Step 5: Solve for x
    x = 9,732,767,623.40/112,816.30
  6. Step 6: Final answer
    x = 86,270.93

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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.