Home / 112,592.64-155,450.16-72,323.76

Finding the Fourth Proportional to 112,592.64, 155,450.16 and 72,323.76

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Solution

The fourth proportional to 112,592.64, 155,450.16 and 72,323.76 is: 99,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,592.64 : 155,450.16 = 72,323.76 : x
  2. Step 2: Convert to fraction form
    112,592.64/155,450.16 = 72,323.76/x
  3. Step 3: Cross multiply
    112,592.64x = 155,450.16 × 72,323.76
  4. Step 4: Simplify right side
    112,592.64x = 11,242,740,063.80
  5. Step 5: Solve for x
    x = 11,242,740,063.80/112,592.64
  6. Step 6: Final answer
    x = 99,853.24

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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.