Home / 145,610.40-200,893.86-118,706.52

Finding the Fourth Proportional to 145,610.40, 200,893.86 and 118,706.52

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Solution

The fourth proportional to 145,610.40, 200,893.86 and 118,706.52 is: 163,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610.40 : 200,893.86 = 118,706.52 : x
  2. Step 2: Convert to fraction form
    145,610.40/200,893.86 = 118,706.52/x
  3. Step 3: Cross multiply
    145,610.40x = 200,893.86 × 118,706.52
  4. Step 4: Simplify right side
    145,610.40x = 23,847,411,009.97
  5. Step 5: Solve for x
    x = 23,847,411,009.97/145,610.40
  6. Step 6: Final answer
    x = 163,775.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.