Home / 162,322.74-224,006.49-90,705.78

Finding the Fourth Proportional to 162,322.74, 224,006.49 and 90,705.78

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Solution

The fourth proportional to 162,322.74, 224,006.49 and 90,705.78 is: 125,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,322.74 : 224,006.49 = 90,705.78 : x
  2. Step 2: Convert to fraction form
    162,322.74/224,006.49 = 90,705.78/x
  3. Step 3: Cross multiply
    162,322.74x = 224,006.49 × 90,705.78
  4. Step 4: Simplify right side
    162,322.74x = 20,318,683,400.51
  5. Step 5: Solve for x
    x = 20,318,683,400.51/162,322.74
  6. Step 6: Final answer
    x = 125,174.60

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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.