Home / 162,026.52-223,607.70-90,420.36

Finding the Fourth Proportional to 162,026.52, 223,607.70 and 90,420.36

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Solution

The fourth proportional to 162,026.52, 223,607.70 and 90,420.36 is: 124,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,026.52 : 223,607.70 = 90,420.36 : x
  2. Step 2: Convert to fraction form
    162,026.52/223,607.70 = 90,420.36/x
  3. Step 3: Cross multiply
    162,026.52x = 223,607.70 × 90,420.36
  4. Step 4: Simplify right side
    162,026.52x = 20,218,688,732.77
  5. Step 5: Solve for x
    x = 20,218,688,732.77/162,026.52
  6. Step 6: Final answer
    x = 124,786.29

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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.