Home / 118,539.48-177,818.40-39,654.12

Finding the Fourth Proportional to 118,539.48, 177,818.40 and 39,654.12

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Solution

The fourth proportional to 118,539.48, 177,818.40 and 39,654.12 is: 59,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,539.48 : 177,818.40 = 39,654.12 : x
  2. Step 2: Convert to fraction form
    118,539.48/177,818.40 = 39,654.12/x
  3. Step 3: Cross multiply
    118,539.48x = 177,818.40 × 39,654.12
  4. Step 4: Simplify right side
    118,539.48x = 7,051,232,171.81
  5. Step 5: Solve for x
    x = 7,051,232,171.81/118,539.48
  6. Step 6: Final answer
    x = 59,484.25

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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.