Home / 118,848.64-178,161.28-39,907.50

Finding the Fourth Proportional to 118,848.64, 178,161.28 and 39,907.50

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Solution

The fourth proportional to 118,848.64, 178,161.28 and 39,907.50 is: 59,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848.64 : 178,161.28 = 39,907.50 : x
  2. Step 2: Convert to fraction form
    118,848.64/178,161.28 = 39,907.50/x
  3. Step 3: Cross multiply
    118,848.64x = 178,161.28 × 39,907.50
  4. Step 4: Simplify right side
    118,848.64x = 7,109,971,281.60
  5. Step 5: Solve for x
    x = 7,109,971,281.60/118,848.64
  6. Step 6: Final answer
    x = 59,823.75

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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.