Home / 104,654.80-156,953.40-42,331.60

Finding the Fourth Proportional to 104,654.80, 156,953.40 and 42,331.60

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Solution

The fourth proportional to 104,654.80, 156,953.40 and 42,331.60 is: 63,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,654.80 : 156,953.40 = 42,331.60 : x
  2. Step 2: Convert to fraction form
    104,654.80/156,953.40 = 42,331.60/x
  3. Step 3: Cross multiply
    104,654.80x = 156,953.40 × 42,331.60
  4. Step 4: Simplify right side
    104,654.80x = 6,644,088,547.44
  5. Step 5: Solve for x
    x = 6,644,088,547.44/104,654.80
  6. Step 6: Final answer
    x = 63,485.75

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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.