Home / 90,170.13-124,444.08-51,930.93

Finding the Fourth Proportional to 90,170.13, 124,444.08 and 51,930.93

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Solution

The fourth proportional to 90,170.13, 124,444.08 and 51,930.93 is: 71,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170.13 : 124,444.08 = 51,930.93 : x
  2. Step 2: Convert to fraction form
    90,170.13/124,444.08 = 51,930.93/x
  3. Step 3: Cross multiply
    90,170.13x = 124,444.08 × 51,930.93
  4. Step 4: Simplify right side
    90,170.13x = 6,462,496,807.39
  5. Step 5: Solve for x
    x = 6,462,496,807.39/90,170.13
  6. Step 6: Final answer
    x = 71,670.04

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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.