Home / 112,456.36-155,305.98-97,276.14

Finding the Fourth Proportional to 112,456.36, 155,305.98 and 97,276.14

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Solution

The fourth proportional to 112,456.36, 155,305.98 and 97,276.14 is: 134,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456.36 : 155,305.98 = 97,276.14 : x
  2. Step 2: Convert to fraction form
    112,456.36/155,305.98 = 97,276.14/x
  3. Step 3: Cross multiply
    112,456.36x = 155,305.98 × 97,276.14
  4. Step 4: Simplify right side
    112,456.36x = 15,107,566,253.32
  5. Step 5: Solve for x
    x = 15,107,566,253.32/112,456.36
  6. Step 6: Final answer
    x = 134,341.59

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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.