Home / 163,010.13-224,694.15-128,498.62

Finding the Fourth Proportional to 163,010.13, 224,694.15 and 128,498.62

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Solution

The fourth proportional to 163,010.13, 224,694.15 and 128,498.62 is: 177,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,010.13 : 224,694.15 = 128,498.62 : x
  2. Step 2: Convert to fraction form
    163,010.13/224,694.15 = 128,498.62/x
  3. Step 3: Cross multiply
    163,010.13x = 224,694.15 × 128,498.62
  4. Step 4: Simplify right side
    163,010.13x = 28,872,888,197.07
  5. Step 5: Solve for x
    x = 28,872,888,197.07/163,010.13
  6. Step 6: Final answer
    x = 177,123.28

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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.