Home / 112,918.61-155,436.57-97,598.18

Finding the Fourth Proportional to 112,918.61, 155,436.57 and 97,598.18

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Solution

The fourth proportional to 112,918.61, 155,436.57 and 97,598.18 is: 134,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,918.61 : 155,436.57 = 97,598.18 : x
  2. Step 2: Convert to fraction form
    112,918.61/155,436.57 = 97,598.18/x
  3. Step 3: Cross multiply
    112,918.61x = 155,436.57 × 97,598.18
  4. Step 4: Simplify right side
    112,918.61x = 15,170,325,560.26
  5. Step 5: Solve for x
    x = 15,170,325,560.26/112,918.61
  6. Step 6: Final answer
    x = 134,347.44

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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.