Home / 96,756.51-145,129.58-30,189.02

Finding the Fourth Proportional to 96,756.51, 145,129.58 and 30,189.02

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Solution

The fourth proportional to 96,756.51, 145,129.58 and 30,189.02 is: 45,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,756.51 : 145,129.58 = 30,189.02 : x
  2. Step 2: Convert to fraction form
    96,756.51/145,129.58 = 30,189.02/x
  3. Step 3: Cross multiply
    96,756.51x = 145,129.58 × 30,189.02
  4. Step 4: Simplify right side
    96,756.51x = 4,381,319,029.83
  5. Step 5: Solve for x
    x = 4,381,319,029.83/96,756.51
  6. Step 6: Final answer
    x = 45,281.90

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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.