Home / 112,756.24-155,533.20-72,522.48

Finding the Fourth Proportional to 112,756.24, 155,533.20 and 72,522.48

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Solution

The fourth proportional to 112,756.24, 155,533.20 and 72,522.48 is: 100,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,756.24 : 155,533.20 = 72,522.48 : x
  2. Step 2: Convert to fraction form
    112,756.24/155,533.20 = 72,522.48/x
  3. Step 3: Cross multiply
    112,756.24x = 155,533.20 × 72,522.48
  4. Step 4: Simplify right side
    112,756.24x = 11,279,653,386.34
  5. Step 5: Solve for x
    x = 11,279,653,386.34/112,756.24
  6. Step 6: Final answer
    x = 100,035.74

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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.