Home / 162,513.86-224,280.59-90,900.54

Finding the Fourth Proportional to 162,513.86, 224,280.59 and 90,900.54

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Solution

The fourth proportional to 162,513.86, 224,280.59 and 90,900.54 is: 125,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,513.86 : 224,280.59 = 90,900.54 : x
  2. Step 2: Convert to fraction form
    162,513.86/224,280.59 = 90,900.54/x
  3. Step 3: Cross multiply
    162,513.86x = 224,280.59 × 90,900.54
  4. Step 4: Simplify right side
    162,513.86x = 20,387,226,288.02
  5. Step 5: Solve for x
    x = 20,387,226,288.02/162,513.86
  6. Step 6: Final answer
    x = 125,449.16

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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.