Home / 112,455.36-155,304.60-97,275.14

Finding the Fourth Proportional to 112,455.36, 155,304.60 and 97,275.14

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Solution

The fourth proportional to 112,455.36, 155,304.60 and 97,275.14 is: 134,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455.36 : 155,304.60 = 97,275.14 : x
  2. Step 2: Convert to fraction form
    112,455.36/155,304.60 = 97,275.14/x
  3. Step 3: Cross multiply
    112,455.36x = 155,304.60 × 97,275.14
  4. Step 4: Simplify right side
    112,455.36x = 15,107,276,707.64
  5. Step 5: Solve for x
    x = 15,107,276,707.64/112,455.36
  6. Step 6: Final answer
    x = 134,340.21

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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.