Home / 118,275.40-177,441.45-39,390.31

Finding the Fourth Proportional to 118,275.40, 177,441.45 and 39,390.31

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Solution

The fourth proportional to 118,275.40, 177,441.45 and 39,390.31 is: 59,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,275.40 : 177,441.45 = 39,390.31 : x
  2. Step 2: Convert to fraction form
    118,275.40/177,441.45 = 39,390.31/x
  3. Step 3: Cross multiply
    118,275.40x = 177,441.45 × 39,390.31
  4. Step 4: Simplify right side
    118,275.40x = 6,989,473,722.35
  5. Step 5: Solve for x
    x = 6,989,473,722.35/118,275.40
  6. Step 6: Final answer
    x = 59,094.91

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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.