Home / 96,840.96-145,262.52-30,278.40

Finding the Fourth Proportional to 96,840.96, 145,262.52 and 30,278.40

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Solution

The fourth proportional to 96,840.96, 145,262.52 and 30,278.40 is: 45,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,840.96 : 145,262.52 = 30,278.40 : x
  2. Step 2: Convert to fraction form
    96,840.96/145,262.52 = 30,278.40/x
  3. Step 3: Cross multiply
    96,840.96x = 145,262.52 × 30,278.40
  4. Step 4: Simplify right side
    96,840.96x = 4,398,316,685.57
  5. Step 5: Solve for x
    x = 4,398,316,685.57/96,840.96
  6. Step 6: Final answer
    x = 45,417.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.