Home / 112,913.37-155,820.45-62,612.37

Finding the Fourth Proportional to 112,913.37, 155,820.45 and 62,612.37

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Solution

The fourth proportional to 112,913.37, 155,820.45 and 62,612.37 is: 86,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,913.37 : 155,820.45 = 62,612.37 : x
  2. Step 2: Convert to fraction form
    112,913.37/155,820.45 = 62,612.37/x
  3. Step 3: Cross multiply
    112,913.37x = 155,820.45 × 62,612.37
  4. Step 4: Simplify right side
    112,913.37x = 9,756,287,025.27
  5. Step 5: Solve for x
    x = 9,756,287,025.27/112,913.37
  6. Step 6: Final answer
    x = 86,405.07

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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.