Home / 97,319.80-145,979.70-55,732.60

Finding the Fourth Proportional to 97,319.80, 145,979.70 and 55,732.60

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Solution

The fourth proportional to 97,319.80, 145,979.70 and 55,732.60 is: 83,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,319.80 : 145,979.70 = 55,732.60 : x
  2. Step 2: Convert to fraction form
    97,319.80/145,979.70 = 55,732.60/x
  3. Step 3: Cross multiply
    97,319.80x = 145,979.70 × 55,732.60
  4. Step 4: Simplify right side
    97,319.80x = 8,135,828,228.22
  5. Step 5: Solve for x
    x = 8,135,828,228.22/97,319.80
  6. Step 6: Final answer
    x = 83,598.90

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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.