Home / 213,985.16-295,295.88-118,489.80

Finding the Fourth Proportional to 213,985.16, 295,295.88 and 118,489.80

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Solution

The fourth proportional to 213,985.16, 295,295.88 and 118,489.80 is: 163,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,985.16 : 295,295.88 = 118,489.80 : x
  2. Step 2: Convert to fraction form
    213,985.16/295,295.88 = 118,489.80/x
  3. Step 3: Cross multiply
    213,985.16x = 295,295.88 × 118,489.80
  4. Step 4: Simplify right side
    213,985.16x = 34,989,549,762.02
  5. Step 5: Solve for x
    x = 34,989,549,762.02/213,985.16
  6. Step 6: Final answer
    x = 163,513.91

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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.