Home / 118,258.52-163,195.44-64,543.10

Finding the Fourth Proportional to 118,258.52, 163,195.44 and 64,543.10

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Solution

The fourth proportional to 118,258.52, 163,195.44 and 64,543.10 is: 89,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,258.52 : 163,195.44 = 64,543.10 : x
  2. Step 2: Convert to fraction form
    118,258.52/163,195.44 = 64,543.10/x
  3. Step 3: Cross multiply
    118,258.52x = 163,195.44 × 64,543.10
  4. Step 4: Simplify right side
    118,258.52x = 10,533,139,603.46
  5. Step 5: Solve for x
    x = 10,533,139,603.46/118,258.52
  6. Step 6: Final answer
    x = 89,068.76

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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.