Home / 112,816.14-155,688.27-61,825.47

Finding the Fourth Proportional to 112,816.14, 155,688.27 and 61,825.47

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Solution

The fourth proportional to 112,816.14, 155,688.27 and 61,825.47 is: 85,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,816.14 : 155,688.27 = 61,825.47 : x
  2. Step 2: Convert to fraction form
    112,816.14/155,688.27 = 61,825.47/x
  3. Step 3: Cross multiply
    112,816.14x = 155,688.27 × 61,825.47
  4. Step 4: Simplify right side
    112,816.14x = 9,625,500,466.24
  5. Step 5: Solve for x
    x = 9,625,500,466.24/112,816.14
  6. Step 6: Final answer
    x = 85,320.24

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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.