Home / 117,430.56-162,054.12-67,130.64

Finding the Fourth Proportional to 117,430.56, 162,054.12 and 67,130.64

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Solution

The fourth proportional to 117,430.56, 162,054.12 and 67,130.64 is: 92,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,430.56 : 162,054.12 = 67,130.64 : x
  2. Step 2: Convert to fraction form
    117,430.56/162,054.12 = 67,130.64/x
  3. Step 3: Cross multiply
    117,430.56x = 162,054.12 × 67,130.64
  4. Step 4: Simplify right side
    117,430.56x = 10,878,796,790.24
  5. Step 5: Solve for x
    x = 10,878,796,790.24/117,430.56
  6. Step 6: Final answer
    x = 92,640.25

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1.5x scale

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.