Home / 236,048.15-325,746.50-128,618.21

Finding the Fourth Proportional to 236,048.15, 325,746.50 and 128,618.21

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Solution

The fourth proportional to 236,048.15, 325,746.50 and 128,618.21 is: 177,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,048.15 : 325,746.50 = 128,618.21 : x
  2. Step 2: Convert to fraction form
    236,048.15/325,746.50 = 128,618.21/x
  3. Step 3: Cross multiply
    236,048.15x = 325,746.50 × 128,618.21
  4. Step 4: Simplify right side
    236,048.15x = 41,896,931,915.04
  5. Step 5: Solve for x
    x = 41,896,931,915.04/236,048.15
  6. Step 6: Final answer
    x = 177,493.16

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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.