Home / 117,973.61-162,806.09-64,258.50

Finding the Fourth Proportional to 117,973.61, 162,806.09 and 64,258.50

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Solution

The fourth proportional to 117,973.61, 162,806.09 and 64,258.50 is: 88,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,973.61 : 162,806.09 = 64,258.50 : x
  2. Step 2: Convert to fraction form
    117,973.61/162,806.09 = 64,258.50/x
  3. Step 3: Cross multiply
    117,973.61x = 162,806.09 × 64,258.50
  4. Step 4: Simplify right side
    117,973.61x = 10,461,675,465.64
  5. Step 5: Solve for x
    x = 10,461,675,465.64/117,973.61
  6. Step 6: Final answer
    x = 88,678.10

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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.