Home / 118,386.10-163,376.74-64,676.10

Finding the Fourth Proportional to 118,386.10, 163,376.74 and 64,676.10

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Solution

The fourth proportional to 118,386.10, 163,376.74 and 64,676.10 is: 89,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,386.10 : 163,376.74 = 64,676.10 : x
  2. Step 2: Convert to fraction form
    118,386.10/163,376.74 = 64,676.10/x
  3. Step 3: Cross multiply
    118,386.10x = 163,376.74 × 64,676.10
  4. Step 4: Simplify right side
    118,386.10x = 10,566,570,373.91
  5. Step 5: Solve for x
    x = 10,566,570,373.91/118,386.10
  6. Step 6: Final answer
    x = 89,255.16

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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.