Home / 163,005.04-224,957.78-91,389.70

Finding the Fourth Proportional to 163,005.04, 224,957.78 and 91,389.70

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Solution

The fourth proportional to 163,005.04, 224,957.78 and 91,389.70 is: 126,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,005.04 : 224,957.78 = 91,389.70 : x
  2. Step 2: Convert to fraction form
    163,005.04/224,957.78 = 91,389.70/x
  3. Step 3: Cross multiply
    163,005.04x = 224,957.78 × 91,389.70
  4. Step 4: Simplify right side
    163,005.04x = 20,558,824,026.87
  5. Step 5: Solve for x
    x = 20,558,824,026.87/163,005.04
  6. Step 6: Final answer
    x = 126,123.85

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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.