Home / 98,325.63-147,488.60-42,129.30

Finding the Fourth Proportional to 98,325.63, 147,488.60 and 42,129.30

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Solution

The fourth proportional to 98,325.63, 147,488.60 and 42,129.30 is: 63,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,325.63 : 147,488.60 = 42,129.30 : x
  2. Step 2: Convert to fraction form
    98,325.63/147,488.60 = 42,129.30/x
  3. Step 3: Cross multiply
    98,325.63x = 147,488.60 × 42,129.30
  4. Step 4: Simplify right side
    98,325.63x = 6,213,591,265.33
  5. Step 5: Solve for x
    x = 6,213,591,265.33/98,325.63
  6. Step 6: Final answer
    x = 63,194.01

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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.