Home / 162,498.12-224,248.94-90,878.31

Finding the Fourth Proportional to 162,498.12, 224,248.94 and 90,878.31

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Solution

The fourth proportional to 162,498.12, 224,248.94 and 90,878.31 is: 125,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,498.12 : 224,248.94 = 90,878.31 : x
  2. Step 2: Convert to fraction form
    162,498.12/224,248.94 = 90,878.31/x
  3. Step 3: Cross multiply
    162,498.12x = 224,248.94 × 90,878.31
  4. Step 4: Simplify right side
    162,498.12x = 20,379,364,686.49
  5. Step 5: Solve for x
    x = 20,379,364,686.49/162,498.12
  6. Step 6: Final answer
    x = 125,412.93

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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.